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You need to ensure that if a row in a parent table is deleted, it must delete all related child rows in another table.
on 6/27/2015 | Category:
Sql Server Interview questions
| Views: 552 |
Select from following answers:
ON DELETE NO ACTION
ON DELETE CASCADE
ON DELETE SET NULL
It delete a row with a key referenced by foreign keys in existing rows in other tables, all rows that contain those foreign keys are also deleted.
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