What is the use of Control File ?
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Answer / guest
control file contains crucial information regarding the
database.Without control file u can't open the database.
It maintains integrity of database.
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Answer / abitha
Control files of a database store the status of the
physical structure of the database. The control file is
absolutely crucial to database operation.
Control file contains:
Database information
Archive log history
Redo threads
database name
Current archive log mode
Database's creation date etc.,
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Answer / nishi
When an instance of an ORACLE database is started, its control file is used to identify the database and redo log files that must be opened for database operation to proceed. It is also used in database recovery.
Controlfile contains the information about the database like names and locations of datafiles, name of the database, database creation timestamp and apart from this the SCN are also reported into control during the database operation. Especially during the database startup the controlfile is used to gather the information about the database and while opening the database the information in the controlfile is validated to check for the consistency of the database.
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