Q.

Concurrency control is important for which of the following reasons?

A. To ensure data integrity when updates occur to the database in a multiuser environment
B. To ensure data integrity when updates occur to the database in a single-user environment
C. To ensure data integrity while reading data occurs to the database in a multiuser environment
D. To ensure data integrity while reading data occurs to the database in a single-user environment
Answer» A. To ensure data integrity when updates occur to the database in a multiuser environment
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