1.

What Are The Referential Actions Supported By Foreign Key Integrity Constraint?

Answer»

UPDATE And Delete RESTRICT - A referential integrity RULE that disallows the update or deletion of referenced data. DELETE CASCADE - When a referenced ROW is deleted all associated dependent rows are deleted.

Update And Delete Restrict - A referential integrity rule that disallows the update or deletion of referenced data. DELETE Cascade - When a referenced row is deleted all associated dependent rows are deleted.



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