Before performing the compact and repair function, you must
[选择]
export
back up
restore
the database.

Question

Before performing the compact and repair function, you must 
[选择]
export
back up
restore
 the database.

BlackTom AI · Accepted Answer

The question asks about a preparatory step before performing the compact and repair function on a database. 
Option content is not provided in the answer_choices, so we only have the indicated correct answer from the answer field: 'back up'. 
Why this is correct:
- Backing up a database creates a safe restore point in case something goes wrong during the compact and repair process. If any data corruption or unintended changes occur, the backup allows you to recover to the previous state.
- Maintenance operations like compaction or repair can be risky, potentially altering data pages or metadata. Having a recent backup mitigates the risk by enabling recovery.
Why the other potential options (if they were shown) would typically be incorrect in this context:
- 'export' might be useful for transferring data or creating a snapshot, but it does not guarantee a complete restore of the database state in the event of a failure during maintenance.
- 'restore' is a recovery action, not a preparatory safeguard; you would restore from a backup after an issue, not use it as a pre-maintenance step.
- Any action that modifies or overwrites data without a recent backup could lead to irreversible loss if something goes wrong during the operation.
Note: Because the answer_choices list is empty in the provided data, there are no additional distractors to evaluate here. The essential takeaway is that backing up prior to maintenance is the standard best practice to ensure recoverability.

ACS19E1 - Microsoft Access 2019 Level 1 Module 7 Quiz

Before performing the compact and repair function, you must [选择] export back up restore the database.

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