What does ACID stand for in the context of database transactions? MCQ with Answer and Explanation

Question
What does ACID stand for in the context of database transactions?
A. Atomicity, Concurrency, Isolation, Durability
B. Atomicity, Consistency, Integrity, Data
C. Atomicity, Consistency, Integrity, Durability
D. Atomicity, Consistency, Isolation, Durability
Answer: Option D
Solution (By JKSSB Mock Tests)
ACID stands for Atomicity, Consistency, Isolation, and Durability, which are the key properties that guarantee reliable processing of database transactions.
This question belongs to: Computer Database Management System (DBMS)
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Practice More Database Management System (DBMS) Questions

Question #1
Which of the following represents raw, unorganized, and unprocessed facts that lack contextual meaning?
A. Information
B. Data
C. Metadata
D. Knowledge
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Correct Answer: Option B

Explanation:
Data refers to raw, unorganized, and unprocessed facts, figures, or symbols that do not convey a specific meaning on their own. When data is processed and organized, it becomes information.
This question belongs to: Computer Database Management System (DBMS)
Question #2
Which SQL operator is used to check if a value is within a range?
A. BETWEEN
B. EXISTS
C. LIKE
D. IN
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Correct Answer: Option A

Explanation:
BETWEEN checks if a value falls within a specified range (inclusive of boundaries).
This question belongs to: Computer Database Management System (DBMS)
Question #3
Which statement about primary keys in a relational database table is completely true?
A. A table can contain at most one primary key.
B. A table can have multiple distinct primary keys.
C. A primary key column can accept a single NULL value.
D. Primary keys must always be numeric integers.
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Correct Answer: Option A

Explanation:
A relational database table can have exactly one primary key constraint defined, which uniquely identifies each record and strictly forbids NULLs.
This question belongs to: Computer Database Management System (DBMS)
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