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HARIBHARAT
New User
Joined: 05 Jul 2006
Posts: 65
Location: pune
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composite primary key means how to utlise the database, iam not aware about that pls explain me.
Regards
suresg |
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red_roses
New User
Joined: 31 Oct 2005
Posts: 27
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Composite primary key means a primary key that is made up of more than 1 column.
e.g. suppose I define two columns like dept id and emp id as the primary key.
so now the combination of the two values need to be unique. |
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HARIBHARAT
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Joined: 05 Jul 2006
Posts: 65
Location: pune
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Thans a lot.
Regards
suresh |
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