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DBMS Keys MCQs
What is TRUE about Keys?
1. What is TRUE about Keys?
- Relational databases rely heavily on keys
- Any row or record in the table can be uniquely identified with this field
- Relationships between tables can also be established using it
- All of the above
Answer: D) All of the above
Explanation:
In case of Keys -
- Relational databases rely heavily on keys
- Any row or record in the table can be uniquely identified with this field
- Relationships between tables can also be established using it