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Thread: Help DB2-ALTER

  1. #1
    Join Date
    Jul 2006
    Posts
    2

    Unanswered: Help DB2-ALTER

    Hi all,
    i'm working on a project and i need to change in a table of the db the data-type of a column this column is type Decimal(19,2) and i need to change it in Varchar(512) without drop and rebuild the table or the column.

    it is possible to do it with a query in DB2? (like alter table .... alter .... set data type...)

    If yes can you write me the query?
    thx

  2. #2
    Join Date
    May 2003
    Location
    USA
    Posts
    5,737
    No, you cannot alter a column from decimal to varchar.

    If you use the Control Center to modify a column, it executes a procedure that extracts the data, drops the table, recreates the table, and reloads the data (or you can write your own script to do the same).
    M. A. Feldman
    IBM Certified DBA on DB2 for Linux, UNIX, and Windows
    IBM Certified DBA on DB2 for z/OS and OS/390

  3. #3
    Join Date
    Jul 2006
    Posts
    2
    ok thx a lot

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