is there any posiblity for two primary key

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SQL-Server-2005

i create one table with two primary key fields in SQL2005, whn i proposed to build the table a error is occured, is there any posiblity for two primary key in a table?

Posted 10-Feb-11 3:47am

thasfi

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thasfi 10-Feb-11 9:57am

thank u, now im very clear, thnx for clearing my doubts

2 solutions

Solution 2

You can only have one Primary Key. If you want to use two different columns, you can have a look at Composite/Compound Key[^].

Posted 10-Feb-11 3:58am

Manas Bhardwaj

Updated 10-Feb-11 3:59am

v2

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OriginalGriff · Accepted Answer · 2011-02-10T03:52:00

Solution 1

No.

A table must have one, and only one, primary key.

You can have as many secondary keys as you need, but only the single primary.

Posted 10-Feb-11 3:52am

OriginalGriff