Which SQL function is used to find the maximum value in a column? MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Database Management System (DBMS) Questions
Question #1
Report Error
The concept that prevents concurrent transactions from interfering with each other and creating data inconsistencies is known as what?
Correct Answer: Option C
Explanation:
Isolation ensures that the execution of concurrent transactions does not interfere with one another, making them appear as if they are executing sequentially.
Isolation ensures that the execution of concurrent transactions does not interfere with one another, making them appear as if they are executing sequentially.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
Report Error
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
Report Error
Which of the following is a valid way to join three tables in SQL?
Correct Answer: Option A
Explanation:
Both syntaxes are valid: explicit JOIN syntax and implicit comma join with WHERE conditions.
Both syntaxes are valid: explicit JOIN syntax and implicit comma join with WHERE conditions.
This question belongs to:
Computer
Database Management System (DBMS)
No comments yet. Be the first to start the discussion!