In oracle 10g, which statement regarding the usage of redo log file during instance recovery is true?

technology databases

  1. Transactions are rolled back using redo log files.

  2. Transactions are rolled forward using redo log files.

  3. Transactions are rolled back using redo log files and archived log files.

  4. Transactions are rolled forward using redo log files and rolled back using redo log files

Show answer
Correct Option: B

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