MCQOPTIONS
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MCQOPTIONS
| 1. |
Referential integrity means |
| A. | Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table |
| B. | Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table |
| C. | Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table |
| D. | All of above |
| Answer» B. Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table | |