Copier la structure complète d'une table

En utilisant certaines méthodes, lorsque vous créez une copie d'une table, vous perdez des index, PK, FK, etc. Par exemple, dans SQL Server, je peux dire:

select * into dbo.table2 from dbo.table1;

Ceci est juste une simple copie du tableau; tous les index / contraintes sont manquants. Comment copier une structure de table (sans utiliser de sauvegarde)?

Je cherche principalement à le faire manuellement, mais si ce n'est pas possible, j'accepte toute solution.

Vous pouvez bien sûr créer un script pour une table en utilisant l'interface utilisateur:

Cela produira un CREATE TABLEscript et vous n'aurez qu'à rechercher et remplacer l'ancien nom par le nouveau nom (et vérifier qu'un objet avec le nouveau nom n'existe pas déjà).

Mais si vous essayez d'automatiser cela (par exemple, générez le script create table dans le code), c'est un peu plus lourd. L'option de script ci-dessus ne tire pas simplement la totalité du CREATE TABLEDDL à partir d'un seul emplacement dans les métadonnées; il fait tout un tas de magie dans les coulisses du code pour générer le CREATE TABLEscript éventuel (vous pouvez utiliser Profiler pour voir où il obtient ses données, mais vous ne pouvez pas voir comment il les assemble). J'ai suggéré une option pour cela:

http://connect.microsoft.com/SQLServer/feedback/details/273934

Cependant, cela a été rencontré avec très peu de votes et a été rapidement abattu par Microsoft. Vous trouverez peut-être beaucoup plus intéressant d'utiliser un outil tiers pour générer un schéma ( j'ai blogué à ce sujet ).

Dans SQL Server 2012, il existe de nouvelles fonctions de métadonnées qui vous permettent d'être beaucoup plus proche que le travail que vous avez à faire en 2005, 2008 et 2008 R2, en rassemblant les informations de colonne à partir des métadonnées (qui comporte de nombreuses mises en garde, par exemple si c'est décimal, vous devez ajouter la précision / échelle, si [n [var [char]] vous devez ajouter la spécification de longueur, si n [var] char vous devez couper la max_length en deux, s'il s'agit d'un MAX, vous devez changez -1 en MAX, etc etc). Dans SQL Server 2012, cette partie est un peu plus simple:

SELECT name, system_type_name, is_nullable FROM
  sys.dm_exec_describe_first_result_set('select * from sys.objects', NULL, 0)

Résultats:

name                   system_type_name  is_nullable
--------------------   ----------------  -----------
name                   nvarchar(128)     0
object_id              int               0
principal_id           int               1
schema_id              int               0
parent_object_id       int               0
type                   char(2)           0
type_desc              nvarchar(60)      1
create_date            datetime          0
modify_date            datetime          0
is_ms_shipped          bit               0
is_published           bit               0
is_schema_published    bit               0

J'ai aussi blogué à ce sujet.

On peut dire que cela est beaucoup plus proche de votre CREATE TABLEdéclaration cible qu'une approche alambiquée sys.columns, mais il y a encore beaucoup de travail à faire. Clés, contraintes, options de texte dans la ligne, informations sur le groupe de fichiers, paramètres de compression, index, etc. -analogie utilisée, réinventer la roue.

Cela dit, si vous devez le faire via du code mais que vous pouvez le faire en dehors de SQL Server, vous pouvez envisager SMO / PowerShell. Voir cette astuce et la méthode Scripter.Script () .

j'ai écrit ce sp pour créer automatiquement le schéma avec tout, pk, fk, partitions, contraintes ...

IMPORTANT!! avant exec

create type TestTableType as table (ObjectID int)

ici le SP:

    SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO


    --*************************************************************************************************'
--    La procedura crea lo script di una tabella
--    Tabella   : xxxxx
--    Creata da : E.Mantovanelli
--    Data creazione : 28-06-2012
--    Data modifica: 28-06-2012
--*************************************************************************************************'

/*
    --      ID----|-----Data-----|--    User        ---------   | ----  Note
                        20-11-2013      E.Mantovanelli                  distinzione schema delle tabelle
                                                                        estrazione da db selezionato
                                                                        aggiunta estrazione partizione
*/

CREATE PROCEDURE [dbo].[util_ScriptTable] 
     @DBName SYSNAME
    ,@schema sysname
    ,@TableName SYSNAME
    ,@IncludeConstraints BIT = 1
    ,@IncludeIndexes BIT = 1
    ,@NewTableSchema sysname
    ,@NewTableName SYSNAME = NULL
    ,@UseSystemDataTypes BIT = 0
    ,@script varchar(max) output
AS 
BEGIN try
    if not exists (select * from sys.types where name = 'TestTableType')
        create type TestTableType as table (ObjectID int)--drop type TestTableType

    declare @sql nvarchar(max)

    DECLARE @MainDefinition TABLE (FieldValue VARCHAR(200))
    --DECLARE @DBName SYSNAME
    DECLARE @ClusteredPK BIT
    DECLARE @TableSchema NVARCHAR(255)

    --SET @DBName = DB_NAME(DB_ID())
    SELECT @TableName = name FROM sysobjects WHERE id = OBJECT_ID(@TableName)

    DECLARE @ShowFields TABLE (FieldID INT IDENTITY(1,1)
                                        ,DatabaseName VARCHAR(100)
                                        ,TableOwner VARCHAR(100)
                                        ,TableName VARCHAR(100)
                                        ,FieldName VARCHAR(100)
                                        ,ColumnPosition INT
                                        ,ColumnDefaultValue VARCHAR(100)
                                        ,ColumnDefaultName VARCHAR(100)
                                        ,IsNullable BIT
                                        ,DataType VARCHAR(100)
                                        ,MaxLength varchar(10)
                                        ,NumericPrecision INT
                                        ,NumericScale INT
                                        ,DomainName VARCHAR(100)
                                        ,FieldListingName VARCHAR(110)
                                        ,FieldDefinition CHAR(1)
                                        ,IdentityColumn BIT
                                        ,IdentitySeed INT
                                        ,IdentityIncrement INT
                                        ,IsCharColumn BIT 
                                        ,IsComputed varchar(255))

    DECLARE @HoldingArea TABLE(FldID SMALLINT IDENTITY(1,1)
                                        ,Flds VARCHAR(4000)
                                        ,FldValue CHAR(1) DEFAULT(0))

    DECLARE @PKObjectID TABLE(ObjectID INT)

    DECLARE @Uniques TABLE(ObjectID INT)

    DECLARE @HoldingAreaValues TABLE(FldID SMALLINT IDENTITY(1,1)
                                                ,Flds VARCHAR(4000)
                                                ,FldValue CHAR(1) DEFAULT(0))

    DECLARE @Definition TABLE(DefinitionID SMALLINT IDENTITY(1,1)
                                        ,FieldValue VARCHAR(200))


  set @sql=
  '
  use '+@DBName+'
  SELECT distinct DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,''[''+COLUMN_NAME+'']'' as COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = ''YES'' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,case CHARACTER_MAXIMUM_LENGTH when -1 then ''max'' else CAST(CHARACTER_MAXIMUM_LENGTH AS varchar) end--CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + '',''
            ,'''' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            ,cc.definition 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = ''D''
            left join sys.computed_columns cc on c.TABLE_NAME=OBJECT_NAME(cc.object_id) and sc.column_id=cc.column_id
    WHERE c.TABLE_NAME = @TableName and c.TABLE_SCHEMA=@schema 
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    '

  print @sql
  INSERT INTO @ShowFields( DatabaseName
                                    ,TableOwner
                                    ,TableName
                                    ,FieldName
                                    ,ColumnPosition
                                    ,ColumnDefaultValue
                                    ,ColumnDefaultName
                                    ,IsNullable
                                    ,DataType
                                    ,MaxLength
                                    ,NumericPrecision
                                    ,NumericScale
                                    ,DomainName
                                    ,FieldListingName
                                    ,FieldDefinition
                                    ,IdentityColumn
                                    ,IdentitySeed
                                    ,IdentityIncrement
                                    ,IsCharColumn
                                    ,IsComputed)

    exec sp_executesql @sql,
                       N'@TableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@schema=@schema            
    /*
    SELECT @DBName--DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = 'YES' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + ','
            ,'' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = 'D'

    WHERE c.TABLE_NAME = @TableName
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    */
    SELECT TOP 1 @TableSchema = TableOwner FROM @ShowFields

    INSERT INTO @HoldingArea (Flds) VALUES('(')

    INSERT INTO @Definition(FieldValue)VALUES('CREATE TABLE ' + CASE WHEN @NewTableName IS NOT NULL THEN @DBName + '.' + @NewTableSchema + '.' + @NewTableName ELSE @DBName + '.' + @TableSchema + '.' + @TableName END)
    INSERT INTO @Definition(FieldValue)VALUES('(')
    INSERT INTO @Definition(FieldValue)
    SELECT   CHAR(10) + FieldName + ' ' + 
        --CASE WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN DomainName + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END ELSE UPPER(DataType) +CASE WHEN IsCharColumn = 1 THEN '(' + CAST(MaxLength AS VARCHAR(10)) + ')' ELSE '' END +CASE WHEN IdentityColumn = 1 THEN ' IDENTITY(' + CAST(IdentitySeed AS VARCHAR(5))+ ',' + CAST(IdentityIncrement AS VARCHAR(5)) + ')' ELSE '' END +CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END +CASE WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN 'CONSTRAINT [' + ColumnDefaultName + '] DEFAULT' + UPPER(ColumnDefaultValue) ELSE '' END END + CASE WHEN FieldID = (SELECT MAX(FieldID) FROM @ShowFields) THEN '' ELSE ',' END 

        CASE WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN DomainName + 
            CASe WHEN IsNullable = 1 THEN ' NULL ' 
            ELSE ' NOT NULL ' 
            END 
        ELSE 
            case when IsComputed is null then
                UPPER(DataType) +
                CASE WHEN IsCharColumn = 1 THEN '(' + CAST(MaxLength AS VARCHAR(10)) + ')' 
                ELSE 
                    CASE WHEN DataType = 'numeric' THEN '(' + CAST(NumericPrecision AS VARCHAR(10))+','+ CAST(NumericScale AS VARCHAR(10)) + ')' 
                    ELSE
                        CASE WHEN DataType = 'decimal' THEN '(' + CAST(NumericPrecision AS VARCHAR(10))+','+ CAST(NumericScale AS VARCHAR(10)) + ')' 
                        ELSE '' 
                        end  
                    end 
                END +
                CASE WHEN IdentityColumn = 1 THEN ' IDENTITY(' + CAST(IdentitySeed AS VARCHAR(5))+ ',' + CAST(IdentityIncrement AS VARCHAR(5)) + ')' 
                ELSE '' 
                END +
                CASE WHEN IsNullable = 1 THEN ' NULL ' 
                ELSE ' NOT NULL ' 
                END +
                CASE WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN 'CONSTRAINT [' + replace(ColumnDefaultName,@TableName,@NewTableName) + '] DEFAULT' + UPPER(ColumnDefaultValue) 
                ELSE '' 
                END 
            else
                ' as '+IsComputed+' '
            end
        END + 
        CASE WHEN FieldID = (SELECT MAX(FieldID) FROM @ShowFields) THEN '' 
        ELSE ',' 
        END 

    FROM    @ShowFields

    IF @IncludeConstraints = 1
        BEGIN    

        set @sql=
        '
        use '+@DBName+'
        SELECT  distinct  '',CONSTRAINT ['' + replace(name,@TableName,@NewTableName) + ''] FOREIGN KEY ('' + ParentColumns + '') REFERENCES ['' + ReferencedObject + '']('' + ReferencedColumns + '')'' 
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + '',''   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + '',''   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    
                    inner join sys.schemas s on fk.schema_id=s.schema_id and s.name=@schema) a    
            WHERE ParentObject = @TableName    
        '

        print @sql

        INSERT INTO @Definition(FieldValue)
        exec sp_executesql @sql,
                   N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema
            /*
           SELECT    ',CONSTRAINT [' + name + '] FOREIGN KEY (' + ParentColumns + ') REFERENCES [' + ReferencedObject + '](' + ReferencedColumns + ')'  
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + ','   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + ','   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    ) a    
            WHERE ParentObject = @TableName    
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '',CONSTRAINT ['' + replace(c.name,@TableName,@NewTableName) + ''] CHECK '' + definition 
            FROM sys.check_constraints c join sys.schemas s on c.schema_id=s.schema_id and s.name=@schema    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            '

            print @sql
            INSERT INTO @Definition(FieldValue) 
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)',
                       @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema
            /*
            SELECT ',CONSTRAINT [' + name + '] CHECK ' + definition FROM sys.check_constraints    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            '
            print @sql
            INSERT INTO @PKObjectID(ObjectID) 
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@schema varchar(50)',
                               @TableName=@TableName,@schema=@schema
            /*
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            */

            set @sql=
            '
            use '+@DBName+'
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            '
            print @sql
            INSERT INTO @Uniques(ObjectID)
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@schema varchar(50)',
                               @TableName=@TableName,@schema=@schema
            /*
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            */

            SET @ClusteredPK = CASE WHEN @@ROWCOUNT > 0 THEN 1 ELSE 0 END

            declare @t TestTableType
            insert @t select * from @PKObjectID
            declare @u TestTableType
            insert @u select * from @Uniques

            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '',CONSTRAINT '' + replace(cco.name,@TableName,@NewTableName) + CASE type WHEN ''PK'' THEN '' PRIMARY KEY '' + CASE WHEN pk.ObjectID IS NULL THEN '' NONCLUSTERED '' ELSE '' CLUSTERED '' END  WHEN ''UQ'' THEN '' UNIQUE '' END + CASE WHEN u.ObjectID IS NOT NULL THEN '' NONCLUSTERED '' ELSE '''' END 
            + ''(''+REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
            LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
            LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
            WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    
            order by key_ordinal FOR XML PATH(''''))), 2, 8000)) + '')''
            FROM sys.key_constraints cco 
            inner join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            LEFT JOIN @U u ON cco.object_id = u.objectID
            LEFT JOIN @t pk ON cco.object_id = pk.ObjectID    
            WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 

            '

            print @sql
            INSERT INTO @Definition(FieldValue)
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50),@t TestTableType readonly,@u TestTableType readonly',
                               @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema,@t=@t,@u=@u

            /*
            SELECT ',CONSTRAINT ' + name + CASE type WHEN 'PK' THEN ' PRIMARY KEY ' + CASE WHEN pk.ObjectID IS NULL THEN ' NONCLUSTERED ' ELSE ' CLUSTERED ' END  WHEN 'UQ' THEN ' UNIQUE ' END + CASE WHEN u.ObjectID IS NOT NULL THEN ' NONCLUSTERED ' ELSE '' END 
            + '(' +REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN ' DESC' ELSE ' ASC' END + ','    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
           LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
           LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
           WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    FOR XML PATH(''))), 2, 8000)) + ')'
           FROM sys.key_constraints cco 
           LEFT JOIN @PKObjectID pk ON cco.object_id = pk.ObjectID    
           LEFT JOIN @Uniques u ON cco.object_id = u.objectID
           WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 
           */
        END

        INSERT INTO @Definition(FieldValue) VALUES(')')

        set @sql=
        '
        use '+@DBName+'
        select '' on '' + d.name + ''([''+c.name+''])''
        from sys.tables t join sys.indexes i on(i.object_id = t.object_id and i.index_id < 2)
                          join sys.index_columns ic on(ic.partition_ordinal > 0 and ic.index_id = i.index_id and ic.object_id = t.object_id)
                          join sys.columns c on(c.object_id = ic.object_id and c.column_id = ic.column_id)
                          join sys.schemas s on t.schema_id=s.schema_id
                          join sys.data_spaces d on i.data_space_id=d.data_space_id
        where t.name=@TableName and s.name=@schema
        order by key_ordinal
        '

        print 'x'
        print @sql
        INSERT INTO @Definition(FieldValue) 
        exec sp_executesql @sql,
                           N'@TableName varchar(50),@schema varchar(50)',
                           @TableName=@TableName,@schema=@schema

        IF @IncludeIndexes = 1
        BEGIN
            set @sql=
            '
            use '+@DBName+'
            SELECT distinct '' CREATE '' + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '+@DBName+'.'+@NewTableSchema+'.'+@NewTableName+' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema
            '

            print @sql
            INSERT INTO @Definition(FieldValue)    
            exec sp_executesql @sql,
                               N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit',
                               @TableName=@TableName,@NewTableName=@NewTableName,@schema=@schema,@ClusteredPK=@ClusteredPK

        END 

            /*

                SELECT   'CREATE ' + type_desc + ' INDEX [' + [name] COLLATE SQL_Latin1_General_CP1_CI_AS + '] ON [' +  OBJECT_NAME(object_id) + '] (' +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN ' DESC' ELSE ' ASC' END + ','   
                FROM  sys.index_columns sc  
                JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
                WHERE  OBJECT_NAME(sc.object_id) = @TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                ORDER BY index_column_id ASC   FOR XML PATH('')    )), 2, 8000)) + ')'    
                FROM sys.indexes i    
                WHERE   OBJECT_NAME(object_id) = @TableName
                AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 

            */

            INSERT INTO @MainDefinition(FieldValue)   
            SELECT FieldValue FROM @Definition    
            ORDER BY DefinitionID ASC 

            ----------------------------------

            declare @q  varchar(max)

            set @q=(select replace((SELECT FieldValue FROM @MainDefinition FOR XML PATH('')),'</FieldValue>',''))

            set @script=(select REPLACE(@q,'<FieldValue>',''))
            --drop type TestTableType
END try
-- ##############################################################################################################################################################################
BEGIN CATCH        
    BEGIN
        -- INIZIO  Procedura in errore =========================================================================================================================================================
            PRINT '***********************************************************************************************************************************************************' 
            PRINT 'ErrorNumber               : ' + CAST(ERROR_NUMBER() AS NVARCHAR(MAX))
            PRINT 'ErrorSeverity             : ' + CAST(ERROR_SEVERITY() AS NVARCHAR(MAX)) 
            PRINT 'ErrorState                : ' + CAST(ERROR_STATE() AS NVARCHAR(MAX)) 
            PRINT 'ErrorLine                 : ' + CAST(ERROR_LINE() AS NVARCHAR(MAX)) 
            PRINT 'ErrorMessage              : ' + CAST(ERROR_MESSAGE() AS NVARCHAR(MAX))
            PRINT '***********************************************************************************************************************************************************' 
        -- FINE  Procedura in errore =========================================================================================================================================================
    END 
        set @script=''
    return -1
END CATCH   
-- ##############################################################################################################################################################################   

pour l'exécuter:

declare @s varchar(max)
exec [util_ScriptTable]   'db','schema_source','table_source',1,1,'schema_dest','tab_dest',0,@s output
select @s

Cela pourrait être d'utiliser un marteau-piqueur pour mettre un clou dans un mur, mais étant donné l'ampleur de la question, je pense que c'est une option valable à mentionner.

Si vous utilisez SQL Server 2012 SP4 +, 2014 SP2 + ou 2016 SP1 +, vous pouvez utiliser DBCC CLONEDATABASEpour créer une copie sans schéma de votre base de données sans données. Ceci est idéal pour générer des copies de schéma complètes de plusieurs tables et peut réduire le besoin d '«automatiser» le processus de bouclage à travers une série de tables, mais sachez que toutes les copies de table seront créées à l'intérieur d'une nouvelle base de données en lecture seule .

Ces tableaux seront notamment les clés étrangères, les clés primaires, des index et des contraintes. Ils comprendront également des statistiques et des données de magasin de requêtes (sauf si vous spécifiez NO_STATISTICSet NO_QUERYSTORE).

La syntaxe est

DBCC CLONEDATABASE (source_database_name, target_database_name)[WITH [NO_STATISTICS][,NO_QUERYSTORE]] 

Il y a aussi quelques autres mises en garde à connaître, sur lesquelles Brent Ozar a un excellent article , mais tout se résume vraiment à comment et pourquoi vous souhaitez créer des copies de tableaux pour savoir si certaines subtilités sont ou non des accords. .

Vous pouvez utiliser la commande "Générer un script" dans SQL Server Management Studio pour obtenir un script qui peut créer votre table, y compris des index, des déclencheurs, des clés étrangères, etc.

Dans SSMS

• Cliquez avec le bouton droit sur la base de données dans laquelle se trouve la table
• Choisissez Tâches -> Générer des scripts
• Choisissez "Sélectionner des objets de base de données spécifiques"
• Développez la liste "Tables" et cochez la case à côté de la table que vous souhaitez créer un script
• Cliquez sur "Suivant" pour passer à la page suivante de l'assistant
• Définissez les options d'enregistrement comme vous le souhaitez, puis cliquez sur le bouton "Avancé"
• Définissez les options avancées comme vous le souhaitez. En particulier, sous "Options de table / affichage", notez que (par défaut) les index, déclencheurs et index de texte intégral ne sont pas scriptés; si vous les voulez, passez de "faux" à "vrai"
• Une fois terminé, cliquez sur "OK" pour enregistrer vos options avancées et sur "Suivant" pour revoir vos sélections. Cliquez à nouveau sur "Suivant" pour générer réellement le script.

Vous pouvez ensuite modifier pour inclure exactement ce dont vous avez besoin dans votre base de données de destination.

Voici une version basée sur celle d'E.Mantovanelli dans ce fil. Cela corrige un problème où un index unique n'incluait pas le mot clé UNIQUE dans le script résultant. Il ajoute également des paramètres afin qu'une table puisse être créée sans index non clusterisés ou que vous ne puissiez créer qu'un script pour les index non clusterisés. Je l'utilise pour créer une table d'étape, la charger, ajouter les index non clusterisés, puis faire un changement de table, ce qui permet à la charge de s'exécuter plus rapidement et les index ne sont pas fragmentés.

SET ANSI_NULLS ON;
GO

SET QUOTED_IDENTIFIER ON;
GO

--*************************************************************************************************'
--    La procedura crea lo script di una tabella
--    Tabella   : xxxxx
--    Creata da : E.Mantovanelli
--    Data creazione : 28-06-2012
--    Data modifica: 28-06-2012
--*************************************************************************************************'

/*
    --      ID----|-----Data-----|--    User        ---------   | ----  Note
                        20-11-2013      E.Mantovanelli                  distinzione schema delle tabelle
                                                                        estrazione da db selezionato
                                                                        aggiunta estrazione partizione
*/
--*************************************************************************************************'
--    Creates a copy of a table with optionally all indexes and constraints depending on parameters
--    Updated by : Brent Willis
--    Date Updated : 09-11-2019
--    Changes: Added the ability to create a table with clustered index and constraints only or to 
--             CREATE just the non-clustered indexes. This is helpful so a table can be created, 
--             loaded then non-clusted indexes added so it can them be swapped into a partitioned 
--             table with freshly created indexes to lower fragmentation. 
--
--             Also fixed an issue when a unique index was defined the index resulting table was not unique. 
--*************************************************************************************************'

ALTER PROCEDURE dbo.util_ScriptTable
    @DBName                sysname
  , @schema                sysname
  , @TableName             sysname
  , @includeTable          Bit     = 1
  , @IncludeConstraints    Bit     = 1
  , @IncludeClusteredIndex Bit     = 1
  , @IncludeIndexes        Bit     = 1
  , @NewTableSchema        sysname
  , @NewTableName          sysname = NULL
  , @UseSystemDataTypes    Bit     = 0
  , @script                Varchar(MAX) OUTPUT
AS
    BEGIN TRY
        IF NOT EXISTS (SELECT * FROM sys.types WHERE name = 'TestTableType')
            CREATE TYPE TestTableType AS TABLE (ObjectID Int); --drop type TestTableType

        DECLARE @sql NVarchar(MAX);

        DECLARE @MainDefinition Table (FieldValue Varchar(200));

        --DECLARE @DBName SYSNAME
        DECLARE @ClusteredPK Bit;
        DECLARE @TableSchema NVarchar(255);

        --SET @DBName = DB_NAME(DB_ID())
        SELECT @TableName = name FROM sys.sysobjects WHERE id = Object_Id(@TableName);

        DECLARE @ShowFields Table (FieldID            Int IDENTITY(1, 1)
                                 , DatabaseName       Varchar(100)
                                 , TableOwner         Varchar(100)
                                 , TableName          Varchar(100)
                                 , FieldName          Varchar(100)
                                 , ColumnPosition     Int
                                 , ColumnDefaultValue Varchar(100)
                                 , ColumnDefaultName  Varchar(100)
                                 , IsNullable         Bit
                                 , DataType           Varchar(100)
                                 , MaxLength          Varchar(10)
                                 , NumericPrecision   Int
                                 , NumericScale       Int
                                 , DomainName         Varchar(100)
                                 , FieldListingName   Varchar(110)
                                 , FieldDefinition    Char(1)
                                 , IdentityColumn     Bit
                                 , IdentitySeed       Int
                                 , IdentityIncrement  Int
                                 , IsCharColumn       Bit
                                 , IsComputed         Varchar(255));

        DECLARE @HoldingArea Table (FldID SmallInt IDENTITY(1, 1), Flds Varchar(4000), FldValue Char(1) DEFAULT (0));

        DECLARE @PKObjectID Table (ObjectID Int);

        DECLARE @Uniques Table (ObjectID Int);

        DECLARE @Definition Table (DefinitionID SmallInt IDENTITY(1, 1), FieldValue Varchar(2000));

        SET @sql = N'
  use ' + @DBName + N'
  SELECT distinct DB_NAME()
            ,TABLE_SCHEMA
            ,TABLE_NAME
            ,''[''+COLUMN_NAME+'']'' as COLUMN_NAME
            ,CAST(ORDINAL_POSITION AS INT)
            ,COLUMN_DEFAULT
            ,dobj.name AS ColumnDefaultName
            ,CASE WHEN c.IS_NULLABLE = ''YES'' THEN 1 ELSE 0 END
            ,DATA_TYPE
            ,case CHARACTER_MAXIMUM_LENGTH when -1 then ''max'' else CAST(CHARACTER_MAXIMUM_LENGTH AS varchar) end--CAST(CHARACTER_MAXIMUM_LENGTH AS INT)
            ,CAST(NUMERIC_PRECISION AS INT)
            ,CAST(NUMERIC_SCALE AS INT)
            ,DOMAIN_NAME
            ,COLUMN_NAME + '',''
            ,'''' AS FieldDefinition
            ,CASE WHEN ic.object_id IS NULL THEN 0 ELSE 1 END AS IdentityColumn
            ,CAST(ISNULL(ic.seed_value,0) AS INT) AS IdentitySeed
            ,CAST(ISNULL(ic.increment_value,0) AS INT) AS IdentityIncrement
            ,CASE WHEN st.collation_name IS NOT NULL THEN 1 ELSE 0 END AS IsCharColumn 
            ,cc.definition 
            FROM INFORMATION_SCHEMA.COLUMNS c
            JOIN sys.columns sc ON  c.TABLE_NAME = OBJECT_NAME(sc.object_id) AND c.COLUMN_NAME = sc.Name
            LEFT JOIN sys.identity_columns ic ON c.TABLE_NAME = OBJECT_NAME(ic.object_id) AND c.COLUMN_NAME = ic.Name
            JOIN sys.types st ON COALESCE(c.DOMAIN_NAME,c.DATA_TYPE) = st.name
            LEFT OUTER JOIN sys.objects dobj ON dobj.object_id = sc.default_object_id AND dobj.type = ''D''
            left join sys.computed_columns cc on c.TABLE_NAME=OBJECT_NAME(cc.object_id) and sc.column_id=cc.column_id
    WHERE c.TABLE_NAME = @TableName and c.TABLE_SCHEMA=@schema 
    ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
    '   ;

        --PRINT @sql;
        INSERT INTO @ShowFields (DatabaseName
                               , TableOwner
                               , TableName
                               , FieldName
                               , ColumnPosition
                               , ColumnDefaultValue
                               , ColumnDefaultName
                               , IsNullable
                               , DataType
                               , MaxLength
                               , NumericPrecision
                               , NumericScale
                               , DomainName
                               , FieldListingName
                               , FieldDefinition
                               , IdentityColumn
                               , IdentitySeed
                               , IdentityIncrement
                               , IsCharColumn
                               , IsComputed)
        EXEC sys.sp_executesql @sql
                             , N'@TableName varchar(50),@schema varchar(50)'
                             , @TableName = @TableName
                             , @schema = @schema;

        SELECT TOP 1 @TableSchema = TableOwner FROM @ShowFields;

        INSERT INTO @HoldingArea (Flds) VALUES ('(');

        IF @includeTable = 1
            BEGIN
                INSERT INTO @Definition (FieldValue)
                VALUES
                (   'CREATE TABLE ' + CASE
                                          WHEN @NewTableName IS NOT NULL THEN
                                              @DBName + '.' + @NewTableSchema + '.' + @NewTableName
                                          ELSE
                                              @DBName + '.' + @TableSchema + '.' + @TableName
                                      END);

                INSERT INTO @Definition (FieldValue) VALUES ('(');

                INSERT INTO @Definition (FieldValue)
                SELECT Char(10) + FieldName + ' '
                       + CASE
                             WHEN DomainName IS NOT NULL AND @UseSystemDataTypes = 0 THEN
                                 DomainName + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END
                             ELSE
                                 CASE
                                     WHEN IsComputed IS NULL THEN
                                         Upper(DataType)
                                         + CASE
                                               WHEN IsCharColumn = 1 THEN
                                                   '(' + Cast(MaxLength AS Varchar(10)) + ')'
                                               ELSE
                                                   CASE
                                                       WHEN DataType = 'numeric' THEN
                                                           '(' + Cast(NumericPrecision AS Varchar(10)) + ','
                                                           + Cast(NumericScale AS Varchar(10)) + ')'
                                                       ELSE
                                                           CASE
                                                               WHEN DataType = 'decimal' THEN
                                                                   '(' + Cast(NumericPrecision AS Varchar(10)) + ','
                                                                   + Cast(NumericScale AS Varchar(10)) + ')'
                                                               ELSE
                                                                   ''
                                                           END
                                                   END
                                           END
                                         + CASE
                                               WHEN IdentityColumn = 1 THEN
                                                   ' IDENTITY(' + Cast(IdentitySeed AS Varchar(5)) + ','
                                                   + Cast(IdentityIncrement AS Varchar(5)) + ')'
                                               ELSE
                                                   ''
                                           END + CASE WHEN IsNullable = 1 THEN ' NULL ' ELSE ' NOT NULL ' END
                                         + CASE
                                               WHEN ColumnDefaultName IS NOT NULL AND @IncludeConstraints = 1 THEN
                                                   'CONSTRAINT ['
                                                   + Replace(ColumnDefaultName, @TableName, @NewTableName)
                                                   + '] DEFAULT' + Upper(ColumnDefaultValue)
                                               ELSE
                                                   ''
                                           END
                                     ELSE
                                         ' as ' + IsComputed + ' '
                                 END
                         END + CASE
                                   WHEN FieldID = (SELECT Max(FieldID)FROM @ShowFields) THEN
                                       ''
                                   ELSE
                                       ','
                               END
                FROM @ShowFields;

                --------------------------------------------------
                IF @IncludeConstraints = 1
                    BEGIN
                        SET @sql = N'
        use ' +         @DBName + N'
        SELECT  distinct  '',CONSTRAINT ['' + replace(name,@TableName,@NewTableName) + ''] FOREIGN KEY ('' + ParentColumns + '') REFERENCES ['' + ReferencedObject + '']('' + ReferencedColumns + '')'' 
           FROM ( SELECT   ReferencedObject = OBJECT_NAME(fk.referenced_object_id), ParentObject = OBJECT_NAME(parent_object_id),fk.name
                ,   REVERSE(SUBSTRING(REVERSE((   SELECT cp.name + '',''   
                FROM   sys.foreign_key_columns fkc   
                JOIN sys.columns cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id   
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ParentColumns,   
                REVERSE(SUBSTRING(REVERSE((   SELECT cr.name + '',''   
                FROM   sys.foreign_key_columns fkc  
                JOIN sys.columns cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id
                WHERE fkc.constraint_object_id = fk.object_id   FOR XML PATH('''')   )), 2, 8000)) ReferencedColumns   
                FROM sys.foreign_keys fk    
                    inner join sys.schemas s on fk.schema_id=s.schema_id and s.name=@schema) a    
            WHERE ParentObject = @TableName    
        '               ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT distinct '',CONSTRAINT ['' + replace(c.name,@TableName,@NewTableName) + ''] CHECK '' + definition 
            FROM sys.check_constraints c join sys.schemas s on c.schema_id=s.schema_id and s.name=@schema    
            WHERE OBJECT_NAME(parent_object_id) = @TableName
            '           ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT DISTINCT  PKObject = cco.object_id 
            FROM    sys.key_constraints cco    
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id    
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName    AND  i.type = 1 AND    is_primary_key = 1
            '           ;

                        --PRINT @sql;
                        INSERT INTO @PKObjectID (ObjectID)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @schema = @schema;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT DISTINCT    PKObject = cco.object_id
            FROM    sys.key_constraints cco   
            JOIN sys.index_columns cc ON cco.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id  
            JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id
            join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            WHERE    OBJECT_NAME(parent_object_id) = @TableName AND  i.type = 2 AND    is_primary_key = 0 AND    is_unique_constraint = 1
            '           ;

                        --PRINT @sql;
                        INSERT INTO @Uniques (ObjectID)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@schema varchar(50)'
                                             , @TableName = @TableName
                                             , @schema = @schema;

                        SET @ClusteredPK = CASE WHEN @@ROWCOUNT > 0 THEN 1 ELSE 0 END;

                        DECLARE @t TestTableType;

                        INSERT @t SELECT * FROM @PKObjectID;

                        DECLARE @u TestTableType;

                        INSERT @u SELECT * FROM @Uniques;

                        SET @sql = N'
            use ' +     @DBName + N'
            SELECT distinct '',CONSTRAINT '' + replace(cco.name,@TableName,@NewTableName) + CASE type WHEN ''PK'' THEN '' PRIMARY KEY '' + CASE WHEN pk.ObjectID IS NULL THEN '' NONCLUSTERED '' ELSE '' CLUSTERED '' END  WHEN ''UQ'' THEN '' UNIQUE '' END + CASE WHEN u.ObjectID IS NOT NULL THEN '' NONCLUSTERED '' ELSE '''' END 
            + ''(''+REVERSE(SUBSTRING(REVERSE(( SELECT   c.name +  + CASE WHEN cc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''    
            FROM   sys.key_constraints ccok   
            LEFT JOIN sys.index_columns cc ON ccok.parent_object_id = cc.object_id AND cco.unique_index_id = cc.index_id
            LEFT JOIN sys.columns c ON cc.object_id = c.object_id AND cc.column_id = c.column_id 
            LEFT JOIN sys.indexes i ON cc.object_id = i.object_id AND cc.index_id = i.index_id  
            WHERE i.object_id = ccok.parent_object_id AND   ccok.object_id = cco.object_id    
            order by key_ordinal FOR XML PATH(''''))), 2, 8000)) + '')''
            FROM sys.key_constraints cco 
            inner join sys.schemas s on cco.schema_id=s.schema_id and s.name=@schema
            LEFT JOIN @U u ON cco.object_id = u.objectID
            LEFT JOIN @t pk ON cco.object_id = pk.ObjectID    
            WHERE    OBJECT_NAME(cco.parent_object_id) = @TableName 

            '           ;

                        --PRINT @sql;
                        INSERT INTO @Definition (FieldValue)
                        EXEC sys.sp_executesql @sql
                                             , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50),@t TestTableType readonly,@u TestTableType readonly'
                                             , @TableName = @TableName
                                             , @NewTableName = @NewTableName
                                             , @schema = @schema
                                             , @t = @t
                                             , @u = @u;
                    END;

                INSERT INTO @Definition (FieldValue) VALUES (')');
            END;

        SET @sql = N'
        use ' + @DBName
                   + N'
        select '' on '' + d.name + ''([''+c.name+''])''
        from sys.tables t join sys.indexes i on(i.object_id = t.object_id and i.index_id < 2)
                          join sys.index_columns ic on(ic.partition_ordinal > 0 and ic.index_id = i.index_id and ic.object_id = t.object_id)
                          join sys.columns c on(c.object_id = ic.object_id and c.column_id = ic.column_id)
                          join sys.schemas s on t.schema_id=s.schema_id
                          join sys.data_spaces d on i.data_space_id=d.data_space_id
        where t.name=@TableName and s.name=@schema
        order by key_ordinal
        ';

        PRINT 'x';

        --PRINT @sql;
        INSERT INTO @Definition (FieldValue)
        EXEC sys.sp_executesql @sql
                             , N'@TableName varchar(50),@schema varchar(50)'
                             , @TableName = @TableName
                             , @schema = @schema;

        IF @IncludeClusteredIndex = 1
            BEGIN
                SET @sql = N'
            use ' + @DBName
                           + N'
            SELECT distinct '' CREATE '' + CASE WHEN i.is_unique = 1 THEN ''UNIQUE '' ELSE '''' end + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '
                           + @DBName + N'.' + @NewTableSchema + N'.' + @NewTableName
                           + N' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1 
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema and i.type_desc = ''CLUSTERED''
            '   ;

                --PRINT @sql;
                INSERT INTO @Definition (FieldValue)
                EXEC sys.sp_executesql @sql
                                     , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit'
                                     , @TableName = @TableName
                                     , @NewTableName = @NewTableName
                                     , @schema = @schema
                                     , @ClusteredPK = @ClusteredPK;
            END;

        IF @IncludeIndexes = 1
            BEGIN
                SET @sql = N'
            use ' + @DBName
                           + N'
            SELECT distinct '' CREATE '' + CASE WHEN i.is_unique = 1 THEN ''UNIQUE '' ELSE '''' end + i.type_desc + '' INDEX ['' + replace(i.name COLLATE SQL_Latin1_General_CP1_CI_AS,@TableName,@NewTableName) + ''] ON '
                           + @DBName + N'.' + @NewTableSchema + N'.' + @NewTableName
                           + N' ('' 
            +   REVERSE(SUBSTRING(REVERSE((   SELECT name + CASE WHEN sc.is_descending_key = 1 THEN '' DESC'' ELSE '' ASC'' END + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=0
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000)) + '')''+
            ISNULL( '' include (''+REVERSE(SUBSTRING(REVERSE((   SELECT name + '',''   
            FROM  sys.index_columns sc  
            JOIN sys.columns c ON sc.object_id = c.object_id AND sc.column_id = c.column_id   
            WHERE  t.name=@TableName AND  sc.object_id = i.object_id AND  sc.index_id = i.index_id   
                                         and is_included_column=1 
            ORDER BY key_ordinal ASC   FOR XML PATH('''')    )), 2, 8000))+'')'' ,'''')+''''    
            FROM sys.indexes i join sys.tables t on i.object_id=t.object_id
                               join sys.schemas s on t.schema_id=s.schema_id   
            AND CASE WHEN @ClusteredPK = 1 AND is_primary_key = 1 AND i.type = 1 THEN 0 ELSE 1 END = 1   AND is_unique_constraint = 0   AND is_primary_key = 0 
                where t.name=@TableName and s.name=@schema and i.type_desc <> ''CLUSTERED''
            '   ;

                PRINT @sql;

                INSERT INTO @Definition (FieldValue)
                EXEC sys.sp_executesql @sql
                                     , N'@TableName varchar(50),@NewTableName varchar(50),@schema varchar(50), @ClusteredPK bit'
                                     , @TableName = @TableName
                                     , @NewTableName = @NewTableName
                                     , @schema = @schema
                                     , @ClusteredPK = @ClusteredPK;
            END;

        --SELECT * FROM @Definition;
        INSERT INTO @MainDefinition (FieldValue)
        SELECT FieldValue FROM @Definition ORDER BY DefinitionID ASC;

        --SELECT * FROM @MainDefinition;

        ----------------------------------
        DECLARE @q Varchar(MAX);

        SET @q = (SELECT Replace((SELECT FieldValue FROM @MainDefinition FOR XML PATH('')), '</FieldValue>', ''));
        SET @script = (SELECT Replace(@q, '<FieldValue>', ''));
    END TRY
    -- ##############################################################################################################################################################################
    BEGIN CATCH
        BEGIN
            -- INIZIO  Procedura in errore =========================================================================================================================================================
            PRINT '***********************************************************************************************************************************************************';
            PRINT 'ErrorNumber               : ' + Cast(Error_Number() AS NVarchar(MAX));
            PRINT 'ErrorSeverity             : ' + Cast(Error_Severity() AS NVarchar(MAX));
            PRINT 'ErrorState                : ' + Cast(Error_State() AS NVarchar(MAX));
            PRINT 'ErrorLine                 : ' + Cast(Error_Line() AS NVarchar(MAX));
            PRINT 'ErrorMessage              : ' + Cast(Error_Message() AS NVarchar(MAX));
            PRINT '***********************************************************************************************************************************************************';
        -- FINE  Procedura in errore =========================================================================================================================================================
        END;

        SET @script = '';

        RETURN -1;
    END CATCH;
-- ##############################################################################################################################################################################   

Vous pouvez utiliser ce script pour copier une structure de table avec des clés étrangères mais sans index. Ce script gère les types définis par l'utilisateur et les colonnes calculées avec élégance.

--\
---) Author: Hans Michiels
---) Script to copy a sql server table structure with foreign keys but without indexes.
---) This script handles user defined types and computed columns gracefully.
--/
/*
(c) Copyright 2016 - hansmichiels.com

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

--\
---) VARIABLES DECLARATIONS
--/
DECLARE @CrLf NVARCHAR(2) 
DECLARE @Indent NVARCHAR(2) 
DECLARE @nsql NVARCHAR(MAX)
DECLARE @SimulationMode CHAR(1) 
DECLARE @SourceSchemaAndTable NVARCHAR(260) 
DECLARE @TargetSchemaAndTable NVARCHAR(260) 
DECLARE @FkNameSuffix NVARCHAR(128)
DECLARE @TableOptions NVARCHAR(500)

--\
---) CONFIGURATION: set the source and target schema/tablename here, and some other settings.
--/
SELECT 
    @SimulationMode = 'Y' -- Use Y if you only want the SQL statement in the output window without it being executed.
  , @SourceSchemaAndTable = '[Production].[Product]'
  , @TargetSchemaAndTable = '[stg].[Product]'
  , @TableOptions = ' WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]'
  , @FkNameSuffix = '_' + REPLACE(CAST(NEWID() AS VARCHAR(40)), '-', '') -- A Guid is added to the foreign key name to make it unique.
  , @CrLf = CHAR(13) + CHAR(10)
  , @Indent = SPACE(2)
  -- For 'min' script use this (in case sql is near 4000 characters):
  -- , @CrLf  = ' '
  -- , @Indent = ''

--\
---) BUILD SQL FOR CLONING TABLE
--/
SELECT @nsql
    = ISNULL(@nsql, '')
    + CASE col_sequence WHEN 1 THEN
      @CrLf + 'IF OBJECT_ID(N''' + @TargetSchemaAndTable + ''', ''U'') IS NOT NULL DROP TABLE ' + @TargetSchemaAndTable + ';'
    + @CrLf + 'CREATE TABLE ' + @TargetSchemaAndTable + @CrLf + @Indent + '( ' ELSE @CrLf + @Indent + ', ' END
    + [definition]
FROM (
      SELECT ROW_NUMBER() OVER (PARTITION BY tb.object_id ORDER BY tb.object_id, col.column_id) AS col_sequence
        , QUOTENAME(col.name) + ' '
        + COALESCE(
            'AS ' + cmp.definition + CASE ISNULL(cmp.is_persisted, 0) WHEN 1 THEN ' PERSISTED ' ELSE '' END,
            CASE
              WHEN col.system_type_id != col.user_type_id THEN QUOTENAME(usr_tp.schema_name) + '.' + QUOTENAME(usr_tp.name)
              ELSE
                QUOTENAME(sys_tp.name) +
                CASE
                  WHEN sys_tp.name IN ('char', 'varchar', 'binary', 'varbinary') THEN '(' + CONVERT(VARCHAR, CASE col.max_length WHEN -1 THEN 'max' ELSE CAST(col.max_length AS varchar(10)) END) + ')'
                  WHEN sys_tp.name IN ('nchar', 'nvarchar') THEN '(' + CONVERT(VARCHAR, CASE col.max_length WHEN -1 THEN 'max' ELSE CAST(col.max_length/2 AS varchar(10)) END) + ')'
                  WHEN sys_tp.name IN ('decimal', 'numeric') THEN '(' + CAST(col.precision AS VARCHAR) + ',' + CAST(col.scale AS VARCHAR) +  ')'
                  WHEN sys_tp.name IN ('datetime2') THEN '(' + CAST(col.scale AS VARCHAR) +  ')'
                  ELSE ''
                END          
            END
            )       
        + CASE col.is_nullable
            WHEN 0 THEN ' NOT'
            ELSE ''
          END + ' NULL' AS [definition]
        FROM sys.tables tb
        JOIN sys.schemas sch
          ON sch.schema_id = tb.schema_id
        JOIN sys.columns col
          ON col.object_id = tb.object_id
        JOIN sys.types sys_tp
          ON col.system_type_id = sys_tp.system_type_id
        AND col.system_type_id = sys_tp.user_type_id
        LEFT JOIN
            (
            SELECT tp.*, sch.name AS [schema_name]
            FROM sys.types tp
            JOIN sys.schemas sch
            ON tp.schema_id = sch.schema_id
            ) usr_tp
          ON col.system_type_id = usr_tp.system_type_id
        AND col.user_type_id = usr_tp.user_type_id
        LEFT JOIN sys.computed_columns cmp
          ON cmp.object_id = tb.object_id
        AND cmp.column_id = col.column_id
      WHERE tb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U')
      ) subqry
;
SELECT @nsql
    = ISNULL(@nsql, '')
    + CASE col_sequence
        WHEN 1 THEN @CrLf + ', PRIMARY KEY ' + CASE is_clustered_index WHEN 1 THEN 'CLUSTERED' ELSE 'NONCLUSTERED' END
            + @CrLf + @Indent + '( '
        ELSE @CrLf + @Indent + ', '
      END
    + QUOTENAME(pk_cols.column_name)
    + CASE is_descending_key
        WHEN 1 THEN ' DESC'
        ELSE ' ASC'
      END
FROM (
      SELECT TOP 2147483647 sch.name as schema_name, tb.name as table_name, col.name as column_name
                , ROW_NUMBER() OVER (PARTITION BY tb.object_id ORDER BY tb.object_id, col.column_id) AS col_sequence
                , ic.is_descending_key
                , CASE WHEN idx.index_id = 1 THEN 1 ELSE 0 END AS [is_clustered_index]
        FROM sys.tables tb
        JOIN sys.schemas sch
          ON sch.schema_id = tb.schema_id
        JOIN sys.indexes idx
          ON idx.is_primary_key = 1
        AND idx.object_id = tb.object_id
        JOIN sys.index_columns ic
          ON is_included_column = 0  
        AND ic.object_id = tb.object_id
        AND ic.index_id = idx.index_id
        JOIN sys.columns col
          ON col.column_id = ic.column_id
        AND col.object_id = tb.object_id
      WHERE tb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U')
      ORDER BY col.column_id
      ) pk_cols

SELECT @nsql = @nsql + @CrLf + @indent + ') ' + @TableOptions

IF @SimulationMode = 'Y' 
BEGIN
  PRINT '-- Simulation mode: script is not executed.'
END
PRINT @nsql;
IF @SimulationMode != 'Y' 
BEGIN
  EXEC(@nsql);
END

--\
---) Copy foreign key constraints
---) A guid is added to the foreign key name to make it unique within the database.
--/
SET @nsql = N'';
SELECT @nsql += N'
ALTER TABLE '
      + @TargetSchemaAndTable
      + ' ADD CONSTRAINT [' + LEFT(fk.name + @FkNameSuffix, 128) +  '] '
      + ' FOREIGN KEY (' + STUFF((SELECT ',' + QUOTENAME(col.name)
      -- get all the columns in the constraint table
      FROM sys.columns AS col
      JOIN sys.foreign_key_columns AS fkc
        ON fkc.parent_column_id = col.column_id
        AND fkc.parent_object_id = col.[object_id]
      WHERE fkc.constraint_object_id = fk.[object_id]
      ORDER BY fkc.constraint_column_id
      FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'')
      + ') REFERENCES ' + QUOTENAME(rs.name) + '.' + QUOTENAME(rtb.name)
      + '('
      + STUFF((SELECT ',' + QUOTENAME(col.name)
      -- get all the referenced columns
      FROM sys.columns AS col
      JOIN sys.foreign_key_columns AS fkc
        ON fkc.referenced_column_id = col.column_id
        AND fkc.referenced_object_id = col.[object_id]
      WHERE fkc.constraint_object_id = fk.object_id
      ORDER BY fkc.constraint_column_id
      FOR XML PATH(N''), TYPE).value(N'.[1]', N'nvarchar(max)'), 1, 1, N'') + ');'
FROM sys.foreign_keys AS fk
JOIN sys.tables AS rtb -- referenced table
    ON fk.referenced_object_id = rtb.[object_id]
JOIN sys.schemas AS rs
    ON rtb.[schema_id] = rs.[schema_id]
JOIN sys.tables AS ctb -- constraint table
    ON fk.parent_object_id = ctb.[object_id]
WHERE rtb.is_ms_shipped = 0 AND ctb.is_ms_shipped = 0
  AND ctb.object_id = OBJECT_ID(@SourceSchemaAndTable, 'U');

IF @SimulationMode = 'Y' 
BEGIN
  PRINT '-- Simulation mode: script is not executed.'
END
PRINT @nsql;
IF @SimulationMode != 'Y' 
BEGIN
  EXEC(@nsql);
END

Si vous êtes intéressé, vous pouvez le trouver également sur mon blog: http://www.hansmichiels.com/2016/02/18/how-to-copy-a-database-table-structure-t-sql-scripting-series -s01e01 /

Select *
into [new table name]
from [table to be copied name]
where 0=1