Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?

Options
- Report writer
- Query language
- Data manipulation language
- Transaction log

CORRECT ANSWER : Transaction log

Discussion Board
Explanation.

Answer : Transaction log.

A transaction log is a history of actions executed by a "Database Management System" (DBMS) to guarantee "ACID" properties over crashes or hardware failures.
Physically, a log is a file listing changes to the database, stored in a stable storage format.

Jayesh Sonar 03-2-2015 12:54 AM

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