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Easy level questions - 5 practice questions

Explore 5 practical questions across 555 topics to enhance exam preparation. Sample available in file.txt for effective practice.

Question 1

What does the expression 'if(now()=sysdate(),sleep(15),0)' do in an SQL context?

It immediately terminates the process if the current time equals the system date. It checks if the current time equals the system date and pauses execution for 15 seconds if true. It always pauses execution for 15 seconds regardless of the date. It compares the current date with the system date and delays for 15 seconds if they are not equal.

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