INSERT INTO a temp table, and have an IDENTITY field created, without first declaring the temp table?

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无人共我
无人共我 2021-02-02 06:16

I need to select a bunch of data into a temp table to then do some secondary calculations; To help make it work more efficiently, I would like to have an IDENTITY column on that

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  •  傲寒
    傲寒 (楼主)
    2021-02-02 06:53

    Oh ye of little faith:

    SELECT *, IDENTITY( int ) AS idcol
      INTO #newtable
      FROM oldtable
    

    http://msdn.microsoft.com/en-us/library/aa933208(SQL.80).aspx

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