1 2 Previous Next 19 Replies Latest reply on Oct 15, 2012 5:15 AM by 951274

    Difference between Primary Key and Unique Key with NOT NULL constraint

      As both can be referred to another table.
      Apart from the difference that Primary Key can be only 1 and Unique keys can be multiple,
      is there any difference?
      Like in terms of type of Index?
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