Primary level practice questions (5 questions)

Practice these primary level questions with sample file.txt to enhance exam readiness and develop your skills effectively.

Question 2

In SQL, what is the purpose of the 'sleep' function used in the expression?

A) To delay the execution for a specified number of seconds. D) To activate a wait state during a transaction. C) To check the current server load. B) To terminate the current query.

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