ROUTINE OF ORACLE DATABASE ADMINISTRATOR

Daily Work of DBA:

* Check Whether Database Instance is up
* Check Oracle alert logs
* Check listener is working
* Check oracle core dumps
* Check oracle background dumps
* Check oracle user dumps
* Check v$backup that all datafiles should be in inactive mode
* Check the number of schema sessions
* Check the number of processes
* Check the various Tablespaces and Datafiles
* Check the DB Buffer Cache hit ratio
* Check the next extents and max extents
* Check DB Library Cache hit ratio
* Check the longer running processes
* Check the Status of Backup
* Check for any locking in the database
* Backing up Archive log files
* Check all schedule job run successfully
* Check all OS level mount point


Weekly Work of DBA:

* Growth of the Database.
* Total full backup of the database through hot backup.
* Taking logical backups, in case of physical backups failure
* Taking weekly Tablespace backup.
* Taking full backup on tape
* Taking Export backup  using EXP/EXPDP(export/import utilities)

Monthly Work of DBA:

* DB Cleaning(Index rebuilding)
* Change backup tape when new month start