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  • Avoid duplicate entry in database through VB

    I have made a program in VB with Access as back end.  In the data base there are three fields which are unique id of a person.  I want to display "Already Exist" message box when i enter an already existing id. matching all three fields and not allow duplicate entry.

    Adwaith100 pointsBadges:
  • Delete duplicate values in Microsoft Access

    there was a ms access database in which there 3 to 4 values same so i want to delete the values keeping only one value. so i need a query.

    Kimidiramana30 pointsBadges:
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