Oracle logical standby vs physical standby
WebJan 22, 2009 · a physical standby database must have homogeneous versions. Think about it - the second you upgrade one of them - the other is immediately upgraded data … WebOct 14, 2024 · Oracle Database - Enterprise Edition - Version 12.2.0.1 and later: Convert From Physical Standby To Logical hangs ALTER DATABASE RECOVER TO LOGICAL STANDBY
Oracle logical standby vs physical standby
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WebThe main difference between physical and logical standby databases is the manner in which apply services apply the archived redo data: F or physical standby databases, Oracle Data Guard uses Redo Apply technology, which applies redo data on the standby database using standard recovery techniques of an Oracle database, as shown in Figure 1-2 . Web3 rows · Jan 21, 2024 · Logical standby and physical standby database in two different types of standby database. ...
WebAug 26, 2024 · In physical standby dataguard environment, the V$DATABASE.STANDBY_BECAME_PRIMARY_SCN can be used to find the SCN at which … WebA logical standby database provides similar disaster recovery, high availability, and data protection benefits as a physical standby database. It also provides the following specialized benefits: Efficient use of standby hardware resources
WebFeb 12, 2014 · Logical Standby behaves similarly to physical standby, except it uses a more complex method of applying SQL statements (logical) instead of block level redo changes (physical). While It is rarely used as a protection mechanism for a primary database it is common to use logical standby as a reporting database. WebA standby database (logical or physical) can be used as a reporting instance (run reports). ... I have setup a simple physical standby database using Oracle 9.2.0.5. My primary …
WebAug 25, 2006 · Oracle provides two types of standby databases: 1. Physical Standby Database Standby database is called “physical” if the physical structure of stand by …
WebAug 28, 2013 · My steps for testing as below: 1.create a primary database 2.duplicate a physical standby database; 3.turn on flashback on both databases. 4.record SCN xxx on physical standby database. 5.convert physical standby to logical standby (using keep identity statement) 6.flashback to logical standby to xxx 7.convert logical standby to … ch incompetent\u0027sWebJun 21, 2008 · Physical vs Logical standby database. If I run have two systems i.e a Primary System and a Logical standby database system , is it not sufficient protection ? If the … ch incompatibility\u0027sWebA logical standby database uses standby redo logs (SRLs) for redo received from the primary database, and also writes to online redo logs (ORLs) as it applies changes to the standby database. Thus, logical standby databases often require additional ARCn … chin community churchWebAug 21, 2009 · Using Oracle 11g’s Active Data Guard and Snapshot Standby Features By August 21, 2009 Synopsis. Oracle Database 11g expands dramatically the ability to leverage a physical standby database for simultaneous support of both disaster recovery as well as intensive query activity. grand canyon glass walkwayWebOct 7, 2024 · We are looking at using Oracle 9i logical standby to provide a DR and reporting solution for our current production database. The production database uses InterMedia Text and has CLOBS containing XMLType data, so it is unsuitable for logical standby. ... so it is unsuitable for logical standby. Physical standby does not allow concurrent read ... grand canyon glass platformWebReal-time apply is described in more detail in Section 7.2.1. Apply services use the following methods to maintain physical and logical standby databases: Redo Apply (physical standby databases only) Uses media recovery to keep the primary and physical standby databases synchronized. SQL Apply (logical standby databases only) Reconstitutes SQL ... chin communicationsWebJul 24, 2012 · Yes. A physical Standby can be open for Read-only, but a logical offers additional options for writing. You cannot write to a Physical Standby since this would put it out of sync with the Primary. What business issue are you trying to solve? ( besides reporting ) Generally I believe a Physical Standby is easier to maintain, but logical has some ... grand canyon glass overlook location