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Question #1
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Which property of ACID ensures that a transaction is treated as a single unit that either fully succeeds or fully fails?
Correct Answer: Option D
Explanation:
Atomicity ensures that all operations within a transaction are completed successfully; otherwise, the transaction is aborted and all changes are rolled back.
Atomicity ensures that all operations within a transaction are completed successfully; otherwise, the transaction is aborted and all changes are rolled back.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
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What is a tuple in a relational database?
Correct Answer: Option D
Explanation:
In RDBMS, a tuple represents a single row or record in a relation (table).
In RDBMS, a tuple represents a single row or record in a relation (table).
This question belongs to:
Computer
Database Management System (DBMS)
Question #3
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What is the purpose of the REVOKE command in SQL?
Correct Answer: Option A
Explanation:
REVOKE is used to take away privileges previously granted to users.
REVOKE is used to take away privileges previously granted to users.
This question belongs to:
Computer
Database Management System (DBMS)
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