Which of the following provides reliable units of work that allow correct recovery from failures and keeps a database consistent even in cases of system failure?

The correct answer is D. Database transaction. See the full explanation below for the reasoning.

Question

Options

ADatabase security
BConcurrency control
CTwo-phase commit
DDatabase transaction

How the community answered

(44 responses)

A
2% (1)
B
14% (6)
C
7% (3)
D
77% (34)

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