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--Sql Server 2014 Express Edition --Batches are separated by 'go' with tebleA(NAME,TANA,NO) as ( SELECT 'AA','A','N1' UNION ALL SELECT 'BB','A','N2' UNION ALL SELECT 'CC','B','N1' ), tebleB(NAME,N1,N2,N3) as ( SELECT 'A',1,3,4 UNION ALL SELECT 'B',4,5,6 ), up as ( SELECT * FROM tebleB UNPIVOT (RETU FOR colname IN (N1, N2, N3)) AS temp ) SELECT tebleA.NAME , tebleA.TANA , up.RETU FROM tebleA LEFT JOIN up ON tebleA.TANA = up.NAME AND tebleA.NO = up.colname
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Execution time: 0,02 sec, rows selected: 3, rows affected: 0, absolute service time: 0,22 sec, absolute service time: 0,22 sec
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NAME
TANA
RETU
1
AA
A
1
2
BB
A
3
3
CC
B
4