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The purpose of the primary key in a database is to?
155. The purpose of the primary key in a database is to?
- Uniquely identify a record
- Uniquely delete a record
- Uniquely save a record
- None of the above mentioned
Answer
The correct answer is: A) Uniquely identify a record
Explanation
The purpose of the primary key in a database is to uniquely identify a record from database tables.
Practice: DBMS Keys MCQs