sql SELECT 增加行号

    法1:SELECT  ID ,

            rownumb = ROW_NUMBER() OVER ( ORDER BY ID DESC )

    FROM    dbo.AM_Project P

    WHERE   IsDel = 1;

   法2: SELECT  ROW_NUMBER() OVER ( ORDER BY ID DESC ) AS rownum,     *

    FROM    dbo.AM_Project P

    WHERE   IsDel = 1;

 
   法3: DROP TABLE #temptable;

    SELECT  IDENTITY( INT, 1,1 ) AS 行号 ,  *

    INTO    #temptable

    FROM    dbo.AM_Project P

    WHERE   IsDel = 1;

                  

    SELECT  *

    FROM    #temptable;