[英]INSERT Table2.Column INTO Table1 only if doesn't exist in Table1 for Table1.ID
IF EXISTS (SELECT * FROM Table1 WHERE Table1.Id in(select top 1 Table2.column from Table2 ) THEN
--Do what you want
ELSE
--Insert
INSERT INTO TABLE1(Values) VALUES('')
SELECT TableID FROM Table WHERE TableID=SCOPE_IDENTITY()
END
试试这个,希望对你有帮助
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