Question: Which statement about concurrency control is correct Concurrency control allows two or more users or applications to access the same data at the same time

Which statement about concurrency control is correct
Concurrency control allows two or more users or applications to access the same data at the same time
Without proper concurrency control, one of the updates might be incorrect.
Concurrency control is an important feature of a single user database
Concurrency control cannot be enforced by the DBMS.
Which statement about concurrency control is correct Concurrency control allows two

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