how to prevent to insert duplicate values or same values in my column ?

how to prevent to insert duplicate values or same values in my column ?

• Rabi
• 23 Jul
• 2 Answers

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• • Gautam
  • 23 Jul

  Go to Designer then Indexes then unique key

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• • Rabi
  • 23 Jul

  you can define that column to a PRIMARY KEY or UNIQUE KEY that will automatically restrict to entered duplicates values.

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