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Is it possible to allow NULL values in foreign key?
I s it possible to use different constraints for the same
column in the table
(i.e) (id int NOT NULL,UNIQUEUE)
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Answer Posted / uma
Yes, it is possible to allow NULL values in a foreign key,
this property has a relation with the another property "ON
UPDATE/DELETE SET NULL".
It is also possible to define multiple constraints on a
single column.
| Is This Answer Correct ? | 10 Yes | 4 No |
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