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tclose
Starting Member
24 Posts |
 Posted - 2010-04-28 : 19:29:31
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| Do tables always need foreign keys? What is an example situation in which they wouldn't if so. |
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tkizer
Almighty SQL Goddess
38200 Posts |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2010-04-30 : 02:10:09
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| FK is easiest way to ensure relationship is correctly set between two tables. In absence of FK, you might need to implement a trigger to ensure this referential integrity. In case where there's no relation to another table, there's no need of FK.------------------------------------------------------------------------------------------------------SQL Server MVPhttp://visakhm.blogspot.com/ |
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Foreign keys