Mithilesh Jambhulkar ORACLE dba

A standby database is a transactionally consistent copy of an Oracle production database that is initially created from a backup copy of the primary database. Once the standby database is created and configured, Oracle Data Guard automatically maintains the standby database by transmitting primary database redo data to the standby system, where the redo data is applied to the standby database.         Oracle 11g Release 2, a single Oracle Data Guard configuration can contain up to 30 standby databases in 3 standby database configurations: physical, snapshot, and logical. All three types of standby databases can be Oracle RAC or single-instance, regardless of the configuration of the primary database. The overall layout of your Oracle Data Guard configuration is dependent on what business requirements must be satisfied by the configuration. A standby database can be of three types. 1)Physical Standby Database 2)Logical Standby Database 3)Snapshot Standby Database 1)Physical St

ORACLE - DATABASE ADMINISTRATOR                         One of the hilghly responcible and respectable job in Industries .A Database Administrator is a person or a group of person who are responsible for managing all the activities related to database system. This job requires a high level of expertise by a person or group of person. There are very rare chances that only a single person can manage all the database system activities so companies always have a group of people who take care of database system..:)