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What do you understand by “Enforce Referential Integrity” given in the following diagram. |
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Answer» Referential Integrity (i) prevent addition of the value in cust_id in table tbl_order if the same value do not exist in tbl_cust (ii) prevent deletion of the value from cust_id in table tbl_cust if the same value exist in tbl_order (iii) prevent editing of the value of cust_id in table tbl_cust if the same value exist in tbl_order |
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