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ORA-00265: instance recovery required

How to fix ORA-00265: instance recovery required
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How to find Inactive sessions and kill in Oracle database

In this session, will learn how to find inactive sessions in Oracle database
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How to check archive log gap in standby oracle database

In this oracle tutorial, will learn how to check archive log gap in standby database from primary database.
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Changing an Oracle Clusterware Standard Cluster to an Oracle Flex Cluster

Use CRSCTL to change an existing Oracle Clusterware standard Cluster to an Oracle Flex Cluster.

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Deprecated Oracle RAC Flex Architecture from 18c

Starting with Oracle Database 18c, Leaf nodes are deprecated as part of Oracle Flex Cluster architecture.
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Oracle RAC – Directory Structures for Oracle RAC

This topic to understand the hierarchical directory tree of a sample Optimal Flexible Architecture (OFA)-compliant database for Oracle RAC.
Oracle 18c RAC New Features - Image-Based Oracle Database Installation

Oracle 18c RAC New Features – Image-Based Oracle Database Installation

You must extract the image software (db_home.zip) into the directory where you want your Oracle Database home to be located,

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How to fix ORA-01078: failure in processing system parameters

How to fix ORA-01078: failure in processing system parameters in Oracle database.
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create database in silent mode using dbca

In this video, will learn how to create database in silent mode using dbca in oracle linux.

Oracle DB Overview

Oracle Database Overview

Oracle database overview

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