“Comment rechercher une chaîne dans toutes les colonnes dans toutes les tables de la base de données SQL Server” Réponses codées

Comment rechercher une chaîne dans toutes les colonnes dans toutes les tables de la base de données SQL Server

USE YourDBName
GO

Declare @SearchString VARCHAR(100)
--Provide the String here. I am using Aamir for search
SET @SearchString='aamir'
DECLARE @DatabaseName VARCHAR(100)
DECLARE @SchemaName VARCHAR(100)
DECLARE @TableName VARCHAR(100)
DECLARE @ColumnName VARCHAR(100)
DECLARE @FullyQualifiedTableName VARCHAR(500)
Declare @DataType VARCHAR(50)

--Create Temp Table to Save Results
IF OBJECT_ID('tempdb..#Results') IS NOT NULL
    DROP TABLE #Results

CREATE TABLE #Results (
    DatabaseName VARCHAR(100)
    ,SchemaName VARCHAR(100)
    ,TableName VARCHAR(100)
    ,ColumnName VARCHAR(100)
    ,ColumnDataType VARCHAR(50)
    ,TotalTableRowCount INT
    ,StringOccuranceRecordCount INT
    )

DECLARE Cur CURSOR
FOR
SELECT C.Table_CataLog
    ,C.Table_Schema
    ,C.Table_Name
    ,C.Column_Name
    ,'[' + C.Table_CataLog + ']' + '.[' + C.Table_Schema + '].' 
    + '[' + C.Table_Name + ']' AS FullQualifiedTableName,
    C.Data_Type
FROM information_schema.Columns C
INNER JOIN information_Schema.Tables T ON C.Table_Name = T.Table_Name
    AND T.Table_Type = 'BASE TABLE'
    and (C.Data_Type like '%CHAR%'
    or C.Data_Type like '%Text%')


OPEN Cur
FETCH NEXT
FROM Cur
INTO @DatabaseName
    ,@SchemaName
    ,@TableName
    ,@ColumnName
    ,@FullyQualifiedTableName
    ,@DataType

WHILE @@FETCH_STATUS = 0
BEGIN
    DECLARE @SQL VARCHAR(MAX) = NULL
    SET @SQL = ' Select ''' + @DatabaseName + ''' AS DatabaseName, ''' 
    + @SchemaName + ''' AS TableName,
      ''' + @TableName + ''' AS SchemaName,
      ''' + @ColumnName + ''' AS ColumnName,
      ''' + @DataType + ''' AS ColumnName,
      (Select count(*) from ' + @FullyQualifiedTableName + ' With (Nolock)) 
      AS TotalTableRowCount,
      count(*) as StringOccuranceRecordCount from ' + @FullyQualifiedTableName 
      + 'With (Nolock) Where  '+@ColumnName+' like '''+'%'+ @SearchString+'%'''

   -- Print @SQL
    INSERT INTO #Results
    EXEC (@SQL)

    FETCH NEXT
    FROM Cur
    INTO @DatabaseName
        ,@SchemaName
        ,@TableName
        ,@ColumnName
        ,@FullyQualifiedTableName
        ,@DataType
END
CLOSE Cur
DEALLOCATE Cur

SELECT *,
Cast((StringOccuranceRecordCount/Cast(TotalTableRowCount as Numeric(13,1)))*100