What is a control file?
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What is a control file?
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A control file is a binary file that records the physical structure of a database and defines its current state. It contains the database name, the names and locations of associated data files and online redo log files, timestamp of database creation, current log sequence number, and checkpoint information. It is created during database creation and is continuously updated by the Oracle Server. A database is mounted using a control file. A database must contain at least one control file. However, the recommended number of control files is two or more. A database can contain a maximum of eight control files. However, a control file may belong to only one database.
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