Which of the following is a method to avoid deadlock? MCQ with Answer and Explanation

Question
Which of the following is a method to avoid deadlock?
A. Lock ordering
B. Using a timeout
C. Deadlock detection and resolution
D. All of the above
Answer: Option D
Solution (By JKSSB Mock Tests)
Strategies to handle deadlocks include timeout, lock ordering, and detection with rollback.
This question belongs to: Computer Database Management System (DBMS)
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Practice More Database Management System (DBMS) Questions

Question #1
What does ACID stand for in database transactions?
A. Accuracy, Control, Integrity, Data
B. Atomicity, Consistency, Isolation, Durability
C. All Correct Information Display
D. Access, Create, Insert, Delete
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Correct Answer: Option B

Explanation:
ACID properties ensure reliable transaction processing in DBMS.
This question belongs to: Computer Database Management System (DBMS)
Question #2
Which SQL function returns the current date and time?
A. CURDATE()
B. NOW()
C. All of the above depending on the DBMS
D. GETDATE()
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Correct Answer: Option C

Explanation:
Different DBMSs have different functions: MySQL NOW(), SQL Server GETDATE(), etc. But all return current date/time.
This question belongs to: Computer Database Management System (DBMS)
Question #3
An attribute that can be broken down into smaller, independent sub-parts with independent meanings (such as Name into First_Name and Last_Name) is called a what?
A. Simple Attribute
B. Multi-valued Attribute
C. Derived Attribute
D. Composite Attribute
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Correct Answer: Option D

Explanation:
A Composite Attribute is one that can be divided into smaller sub-components or meaningful independent fields.
This question belongs to: Computer Database Management System (DBMS)
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