Where are Oracle control files located?

The preconfigured database contains two control files located in the ORACLE_BASE\oradata \DB_NAME directory. Oracle recommends that you keep at least two control files (on separate physical drives) for each database, and set the CONTROL_FILES initialization parameter to list each control file.

What is contained in the control files?

A control file is a small binary file that records the physical structure of the database and includes:

• The database name.
• Names and locations of associated datafiles and online redo log files.
• The timestamp of the database creation.
• The current log sequence number.
• Checkpoint information.

How do I manually create a control file in Oracle 11g?

1 Answer

1. Shut down the database.
2. Copy an existing control file to a new location, using operating system commands.
3. Edit the CONTROL_FILES parameter in the database initialization parameter file to add the new control file name, or to change the existing control file name.
4. Restart the database.

What makes up a control file in Oracle?

Every Oracle Database has a control file, which is a small binary file that records the physical structure of the database. The control file includes: The database name. Names and locations of associated data files and redo log files. The timestamp of the database creation.

Which is Database Control Assistant does Oracle 11g use?

When you use DBCA to configure Oracle 11g Release 2 (11.2), DBCA provides a graphical user interface to help you select Database Control options and to configure other aspects of your database. However, to use the operating system command line to configure Database Control, you can use the Enterprise Manager Configuration Assistant (EMCA).

How many control files does Oracle Database Appliance give?

On the Oracle Database Appliance, the default deployment only gives you a single control file. I find this a little puzzling.

How many control files do I need for Oracle ASM?

See the sections “About Oracle ASM Filenames” and “Creating a Database That Uses Oracle ASM” in Oracle Automatic Storage Management Administrator’s Guide for more information. Every Oracle Database should have at least two control files, each stored on a different physical disk.