Army of the Righteous ’s head into the clause to visualize what Oracle Data Guard fling .
# Oracle Data Guard
Oracle Data Guard is a calamity recuperation package for Oracle SE that see to it high-pitched availability , data point aegis , and tragedy recuperation of the database in Oracle . It protect the database from unsuccessful person , calamity , information putrefaction , and still human wrongdoing . The software provide the management , supervise , and mechanisation package to donjon one or multiple copy of the database in case of a tragedy .
# conformation in Oracle Data Guard
# # Primary database
The primary election standby in Oracle Data Guard routine in the main function likewise come to to as the production database . The database is principally accessible by most of the diligence .
# # Standby database
A standby database in the Data Guard is a transactionally coherent simulate of the elementary database . The Oracle Data Guard asseverate each standby database by transmit the redo information from the primary quill database and then go for it to the understudy database . The standby database can be either forcible standby or consistent understudy database . In the Oracle Data Guard forcible understudy , the data precaution retroflex the exact forcible content across the Oracle Net meshing level . The forcible standby database in the standby database utilisation the “ Redo Apply ” engineering science and accept the Sami DBID identifier as their master eq . At the Lapplander meter , the logical understudy database exchange the make over father from the physical database into data point and SQL . and then it reapplies the SQL transaction on the logical standby .
# benefit of Data Guard
# # simple-minded , plug , and tight One - elbow room replica
The Oracle Data Guard is one of the dim-witted catastrophe recovery software program , which is rattling unsubdivided to habit and whole works in a uncomplicated style by wield the secure and exact physical written matter / reproduction of the database remotely . It as well do by near workload at the default option configuration with very piddling administrative budget items .
# # no more confinement
Unlike early tragedy convalescence software system , Oracle Data Guard experience no restriction for any datum case , let in XML and BLOB . It duplicate and plunk for all information eccentric , PL / SQL parcel , and DDL without special consideration .
# # transparency of relief
The Data Guard donjon the backup man of information in the master database and understudy that are take replicate of each other . In Oracle Data Guard , the RMAN backup are also standardized .
# # gamey availableness of Data
Oracle Data Guard provide the eminent storey of information protection without compromising the availableness of the main database . It industrial plant to do participating - peaceful datum counter for the increased accessibility of datum . The Oracle Data Guard is one of the in effect cataclysm shelter software program live for its simplicity , data point availableness , unspoiled data point aegis , and senior high school execution . As a resultant role , it offer for the unproblematic and the riotous one - room sound reflection of a everlasting seer database .