tags:

views:

34

answers:

1
+1  Q: 

Is it possible to have nulls in Foreign keys in any ANSI SQL database?

Is it possible to have nulls in Foreign keys in any ANSI SQL database?

+4  A: 

sure, in all databases it's possible. unless the field is declared as NOT NULL.

heximal  2010-10-30 06:29:55

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