实现方式:ROW_NUMBER()
SELECT RowID=(ROW_NUMBER() OVER(ORDER BY(SELECT 0))) FROM dbo.tbl_name
实现方式:IDENTITY
SELECT RowID=IDENTITY(INT,1,1) INTO #tb1 FROM dbo.tbl_name SELECT * FROM #tb1
转载:https://www.cnblogs.com/springsnow/p/10406496.html
SELECT RowID=(ROW_NUMBER() OVER(ORDER BY(SELECT 0))) FROM dbo.tbl_name
SELECT RowID=IDENTITY(INT,1,1) INTO #tb1 FROM dbo.tbl_name SELECT * FROM #tb1
转载:https://www.cnblogs.com/springsnow/p/10406496.html