Query to identify primary key column in a table

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Query to identify primary key column in a table

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AskSQLTeam
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Posted - 2007-02-27 : 16:03:56

Vijay Kasarabada writes "Is there a query that can identify the primary key column in a table. I mean teh query on a table should return a column name that is the primary key for that table."

jezemine
Master Smack Fu Yak Hacker

2886 Posts

Posted - 2007-02-27 : 23:46:05

here are a few ways:

select * from INFORMATION_SCHEMA.TABLE_CONSTRAINTS where constraint_type='PRIMARY KEY'

select * from sys.key_constraints

exec sp_helpconstraint 'Person.Address'

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