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Step 6 - The control file

Learn Oracle - The Control File

A control file tracks the physical components of the database and other control information. It is essential to the functioning of the database. Because of this, Oracle recommends that the control file be multiplexed. In other words, it should have multiple identical copies. For databases created using DBCA, three copies of the control file are automatically created.

If any control file fails, then your database becomes unavailable. But as long as Oracle DBA still have any of the control file copies intact, you can shut down your database and re-create the failed control file from one of the other control files, then restart your database. Another option is to delete the failed control file from the CONTROL_FILES initialization parameter and restart your database with the remaining control files. There are other options, depending upon circumstances. The Advanced and Record Section pages give Oracle DBA more detailed information about your control file.

STEP 6 - Next Topics
This Step discusses management of the database's storage structure. Click on Oracle tuorial links below:
The Control FileControl file
Redo Log Files
Archive Log Files
Initialization Parameter File
Password File
Backup Files
Viewing Tablespaces in your Database
Creating a Tablespace
Modifying a Tablespace
Dropping a Tablespace
Managing Undo for Your Database
Oracle Database - PODCASTS
More Tutorials on Oracle dba ...

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Source : Oracle Documentation | Return to Learn Oracle

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