12th Grade Recovery & Logging Quizzes, Questions & Answers

12th Grade

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This Transaction Log Basics Quiz evaluates your understanding of how databases use transaction logs for data recovery and system reliability. You'll explore log structures, write-ahead logging, recovery protocols, and the role of...

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question 1
What is the primary purpose of a transaction log in a database system?

To record all changes made by transactions for recovery purposes

To display user activity on the database

To monitor network traffic

To store user passwords

Sample Question 2
In write-ahead logging (WAL), when must the log record be written to disk?

After the data is written to the database

Before the data is written to the database

At the same time as the data

Only when the transaction commits

Sample Question 3
Which recovery algorithm uses the transaction log to restore a database to a consistent state?

UNDO/REDO recovery

Backup restoration

Snapshot copying

Cache flushing

12th Grade Recovery & Logging Quizzes, Questions & Answers

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