“cas de sélection SQL lorsque” Réponses codées

cas de sélection SQL lorsque

--CREATE SOME SAMPLE DATA

CREATE TABLE Casedata
  (
     NAME VARCHAR(10)
  );

INSERT INTO Casedata VALUES ('Test 1');
INSERT INTO Casedata VALUES ('Test 2');
INSERT INTO Casedata VALUES ('None');

-- CASE WHEN IN SQL
SELECT NAME,
       CASE
         WHEN NAME = 'Test 1' THEN 'The value is 1'
         WHEN NAME = 'Test 2' THEN 'The value is 2'
         ELSE 'Sorry no Match'
       END
FROM   Casedata