Directions: In each of the following groups of words,there arc four underlined letters or letter combinationsmarked A, B, C and D. Compare the underlined parts and identify the one that is different from the others inpronunciation. Mark your answer by blackening the corresponding letter on the answer sheet.1.
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;
Which action should you perform immediately after using this command?()
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