UGC NET June-2019 CS Paper-2
October 6, 2023SRS
October 6, 2023UGC NET June-2019 CS Paper-2
| Question 7 |
Which of the following key constraints is required for functioning of foreign key in the context of relational database?
| Unique key | |
| Primary key | |
| candidate key | |
| Check key |
Question 7 Explanation:
Foreign key is a key whose values depends on the primary key of a relation. So for the functioning of a foreign key in the context of relational database we need a primary key.
Correct Answer: B
Question 7 Explanation:
Foreign key is a key whose values depends on the primary key of a relation. So for the functioning of a foreign key in the context of relational database we need a primary key.
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