Because the relation is optional.
Jared
George
Hofilena To: Multiple recipients of list ORACLE-L
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<GHofilena@cnv cc:
.org> Subject: NULL Foreign Key Value
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07/26/01 10:56
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Please respond
to ORACLE-L
Can somebody explain why Oracle would allow a foreign key to be null and
still enforce the referential integrity constraint.
Thanks,
George Hofilena
DBA
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