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SQL Server: IF EXISTS ; ELSE - Stack Overflow
瀏覽:1327
日期:2026-04-23
I have a tableA: ID value 1 100 2 101 2 444 3 501 Also TableB ID Code 1 2 Now I want to populate col = code of table B if there exists ID = 2 in tableA. for multiple values , get max value. else populate it with '123'. Now here is what I used: if exists (...看更多

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