Question: ROLLBACK statement, a program's abnormal termination, or a system failure. 5 . What is a scheduler, what does it do , and why is its

ROLLBACK statement, a program's abnormal termination, or a system failure.
5. What is a scheduler, what does it do, and why is its activity important to concurrency control?
ROLLBACK statement, a program's abnormal termination, or a system failure. 5.

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