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Thread: Constraint

  1. #1
    Join Date
    Nov 2014
    Posts
    13

    Constraint

    Hi all
    how do I prevent inserting duplicate rows in my table?
    thanks

  2. #2
    Join Date
    Nov 2002
    Location
    New Jersey, USA
    Posts
    3,912
    Define a Primary or Unique Key constraint

  3. #3
    Join Date
    Nov 2014
    Posts
    13
    Hi skhanal
    create primery key or unique constraint not avoids inserting duplicate rows(duplicate rows means all columns value of the individual row are the same on another row,not one column)!
    thanks for your replay

  4. #4
    Join Date
    Feb 2014
    Location
    Riviera Beach, Maryland, USA
    Posts
    60

  5. #5
    Join Date
    Nov 2014
    Posts
    13
    thanks a lot

  6. #6
    Join Date
    Feb 2014
    Location
    Riviera Beach, Maryland, USA
    Posts
    60

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