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SQL Server 2005
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T-SQL (SS2K5)
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Primary and foreign keys
Primary and foreign keys
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Bill-870541
Bill-870541
Posted Friday, October 17, 2008 10:39 AM
Forum Newbie
Group: General Forum Members
Last Login: Sunday, October 19, 2008 7:27 PM
Points: 4,
Visits: 9
Hi,
Just one little question.
Can a primary key be a foreign key too?
thank you
Post #587809
Michael Valentine Jones
Michael Valentine Jones
Posted Friday, October 17, 2008 10:45 AM
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Group: General Forum Members
Last Login: 2 days ago @ 3:14 PM
Points: 2,941,
Visits: 10,481
Yes
Post #587813
Bill-870541
Bill-870541
Posted Friday, October 17, 2008 10:50 AM
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Last Login: Sunday, October 19, 2008 7:27 PM
Points: 4,
Visits: 9
Ok thanks....And in which context ?
Post #587816
bitbucket-25253
bitbucket-25253
Posted Friday, October 17, 2008 10:51 AM
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Group: General Forum Members
Last Login: Yesterday @ 9:21 AM
Points: 5,099,
Visits: 20,191
In short yes. Check out this BOL subject
ms-help://MS.SQLCC.v9/MS.SQLSVR.v9.en/udb9/html/68ae44ef-990c-49c2-b502-ff1dc41b4019.htm
You can copy column properties from a primary key column to a foreign key column if you want to relate the two columns. Related columns must have the same data type (or data types that can be related) and length.
If everything seems to be going well, you have obviously overlooked something.
Ron
Please help us, help you -before posting a question please
read
Before posting a performance problem please
read
Post #587817
Bill-870541
Bill-870541
Posted Friday, October 17, 2008 11:01 AM
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Last Login: Sunday, October 19, 2008 7:27 PM
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mk..... that the only context we can found this situation ?
Thank you
Post #587822
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