SQL Row_Number () function is to sort and assign an order number to data rows in related record set. So it is used to number rows, for example to ... ... <看更多>

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An alternative to test might be: ;WITH x AS (SELECT EmpID, k = ROW_NUMBER() OVER (ORDER BY EmpID) FROM dbo.Emp) SELECT e.columns FROM x INNER JOIN dbo. ... <看更多>