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What is Mirrored on-line Redo Log ?
A mirrored on-line redo log consists of copies of on-line redo log files physically located on separate disks, changes made to one member of the group are made to all members.
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What does a Control file Contain ?
A Control file records the physical structure of the database. It contains the following information.Database NameNames and locations of a database's files and redolog files.Time stamp of database creation.
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What is a Redo Log ?
The set of Redo Log files for a database is collectively known as the database's redo log.