In a Relational Database Management System (RDBMS), data is logically organized and stored in which form? MCQ with Answer and Explanation
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Question #1
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In SQL, which operator is used to combine two conditions and returns true if both are true?
Correct Answer: Option D
Explanation:
The AND operator returns true only if both conditions are true.
The AND operator returns true only if both conditions are true.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
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What does the letter 'D' stand for in the widely accepted ACID properties of database transactions?
Correct Answer: Option B
Explanation:
ACID stands for Atomicity, Consistency, Isolation, and Durability. Durability ensures that once a transaction commits, its changes survive system failures.
ACID stands for Atomicity, Consistency, Isolation, and Durability. Durability ensures that once a transaction commits, its changes survive system failures.
This question belongs to:
Computer
Database Management System (DBMS)
Question #3
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In SQL, how do you check if a value is NOT NULL?
Correct Answer: Option D
Explanation:
IS NOT NULL is the correct operator to test for non-NULL values.
IS NOT NULL is the correct operator to test for non-NULL values.
This question belongs to:
Computer
Database Management System (DBMS)
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