Explanation:
You need to use the ALTER DATABASE RENAME FILE command to rename the data file if it has been restored to a different location.
Incorrect Answers:
1: You don't need to update initialization parameter: you will do this only if you restore a lost or damaged control file to a different location.
2: You cannot use ALTER SYSTEM command to rename the datafile.
4: You can rename the datafile with ALTER DATABASE RENAME FILE command.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 668-669
Chapter 14: Database Failure and Recovery

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