What does Oracle control file contains?

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 datafiles and redo log files.

In which mode is control file generated in Oracle Database?

When you issue a CREATE CONTROLFILE statement, Oracle Database creates a new control file based on the information you specify in the statement. The control file resides in the location specified in the CONTROL_FILES initialization parameter.

What are new features in Oracle 11g RMAN?

Advice on data recovery, parallel backup of the same file, virtual catalogs for security, duplicate database from backup, undrop a tablespace, and secure backup to the cloud are just a few of the new gems available from RMAN in Oracle Database 11g.

Can we read control file in Oracle?

Once the disk drive is repaired, the damaged control file can be restored using the intact copy of the control file from the other disk and the instance can be restarted. The first file listed in the CONTROL_FILES parameter is the only file read by the Oracle database server during database operation.

What is RMAN in Oracle 11g?

Recovery Manager (RMAN) is an Oracle Database client that performs backup and recovery tasks on your databases and automates administration of your backup strategies. It greatly simplifies backing up, restoring, and recovering database files.

What is difference between Spfile and Pfile?

SPFILE is a binary file that contains the same information as the old PFILE. SPFILE permits dynamic changes without requiring you to restart that instance. If you choose to use the traditional text initialization parameter file (PFILE), you must specify the PFILE clause when issuing the STARTUP command.

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.

What are the new features of Oracle Database 11 g?

In Oracle Database 11 g, your wish is granted, and then some. The new Database Replay tool works like a DVR inside the database.

Which is the latest version of Oracle Grid Control?

Enterprise Manager 11g Grid Control Release 1 now supports the new features available in Oracle Database 11g Release 2. The new database management features in this release are discussed below. Impact of ADDM findings on Top Activity (Top SQL, Top Sessions etc.) Top activity for standby databases, e.g. Active Data Guard databases used for reporting

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.