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

  • A.report writer
  • B.query language
  • C.data manipulation language
  • D.transaction log

Answer: D

Correct answer: transaction log

The transaction log is the complete record of everything that affected the database over a period - every transaction, what it did, and when. It is what makes recovery possible, and it is also the audit trail.

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