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Composite Primary Key

WHat is Composite Primary Key?
Asked by: sprajarajan | Member Since Mar-2008 | Asked on: Mar 22nd, 2008

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ddanda

Answered On : Mar 24th, 2008

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when 2 attributes of the table form a primary key .such a key is known as composite primary key.

  
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hemant.agarwal03

Answered On : Mar 27th, 2008

Composite primary key used for multiple fields joined together to identify a records in a table. We can use maximum 16 columns for a composite primary key.

  
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