An Audit Trail of Database Changes Is Kept by A

question 73

Multiple Choice

An audit trail of database changes is kept by a:

• A) change control device.
• B) subschema.
• C) before image.
• D) journalizing facility.

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Definitions:

Time-Driven Sequencer

A control mechanism that triggers events or actions based on predefined time intervals or schedules rather than external inputs.

External Pulsed Input

An input signal, typically in the form of pulses, that originates from an external source and can trigger or control a circuit or device.

PLC Types

Various categories of Programmable Logic Controllers designed to meet specific automation needs and environmental conditions.