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Add identity to existing column

  • May 9, 2011 at 8:45 am

    #237830

    Hi,

    RDBMS sql server 2005

    I have a table with int column.

    Now when I add identity with SSMS , it say you have to drop and recreate table.

    can you please tell me how can I add identity to existing column?

  • May 9, 2011 at 8:53 am

    #1321760

    You gave the answer yourself. Drop the column and add it again with the identity property.

    John

  • May 9, 2011 at 8:55 am

    #1321762

    no other way?

    as this column can be primary and reference exist on many places, so drop and recreate can create some problems.. 🙁

  • May 9, 2011 at 10:15 am

    #1321807

    If you do it in the table design mode of SSMS, all of that will be taken care of automatically and safely.

    --Jeff Moden

    RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
    First step towards the paradigm shift of writing Set Based code:
    ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

    Change is inevitable... Change for the better is not.

    Helpful Links:
    How to post code problems
    How to Post Performance Problems
    Create a Tally Function (fnTally)

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