The Cascade Delete property is used to determines whether a child record is deleted when the parent record is deleted.
- Delete: Child records are deleted along with the parent.
- Clear: The foreign key reference is removed if the parent record is deleted, but the child records remain in place. Value in the foreign key column is cleared.
- None: No records are deleted and the foreign key column is also not cleared. This is the default setting of the Cascade Delete property.
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