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ALTER the columns data type as varbinary

  • November 23, 2009 at 6:07 am

    #140199

    Hi,

    How to ALTER the varchar data type column into varbinary data type.

    For ex, i have a column (fldColA) which has varchar data type. Now i need to ALTER the column's (fldColA) data type as varbinary. How can i change by using script not by using GUI.

  • November 23, 2009 at 7:39 am

    #1082935

    ALTER TABLE <Table Name>

    ALTER COLUMN <Column Name> <New type information>

    See Books Online for full details. Look under ALTER TABLE

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

  • November 23, 2009 at 8:59 am

    #1082993

    GilaMonster (11/23/2009)

    ALTER TABLE <Table Name>

    ALTER COLUMN <Column Name> <New type information>

    See Books Online for full details. Look under ALTER TABLE

    Thanks for your reply.

    I think i believe,it will through an error as Implicit Conversion not possible .....

  • November 23, 2009 at 9:08 am

    #1082997

    If it does, then create a new column with the varbinary type. Update it from the varchar with convert, then drop the varchar column and rename the varbinary.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

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