What are used as a countermeasure for potential database corruption when two processes
attempt to simultaneously edit or update the same information? Choose the BEST answer.

A.
Referential integrity controls
B.
Normalization controls
C.
Concurrency controls
D.
Run-to-run totals
Explanation:
Concurrency controls are used as a countermeasure for potential database
corruption when two processes attempt to simultaneously edit or update the same information.
Referential integrity controls (A) is marked as correct, but the explanation indicates that Concurrency controls (C) is correct. Please indicate the correct answer.
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0
correct answer is concurrency control
1
0
the same
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