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waseem

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Posts posted by waseem

  1. Your query is missing first where clause. Please see.

    SELECT * FROM idx WHERE 1
    

    You must place your OR clauses in small brackets like this, OR operator's precedence is before AND, and thats why check before AND.

     

    Hope its the answer to the question.

    Thanks

    Waseem

     

  2. Hi Friends !

     

    I need to discuss a problem with you.

    When we fill a customer info form, and redirect to other page. but go back by browser's back button and resubmit the form.

    In this case duplicate data is inserted. Or when we refresh a page multiple data is inserted, so HOW TO AVOID this terrible problem ?

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