Yearly Archives: 2021

Data Recovery Advisor in Oracle 12c

Data Recovery Advisor feature/utilty was introduced in oracle 12c to identify and repair the failure automatically,before that we have to manually identify and rectify the failure that has occurred using…

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Block change Tracking (BCT)

Block Change Tracking(BCT): It improves the performance of incremental backups by recording changed blocks in the block change tracking file.It is used when an incremental backup is done,instead of scanning…

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Database Incarnation

Database incarnation is a new version of the database that happens when you reset the online redo logs using alter database open resetlogs; Database incarnation falls into following category Current,…

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RMAN CONSISTENT BACKUP

CONSISTENT BACKUP: A consistent backup of the database is one taken when the database is in a consistent state, that is, one taken after the database has been shut down normally (using…

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ORA-19809: limit exceeded for recovery files:

ORA-19809: limit exceeded for recovery files In this blog, we are going to resolve the “ORA-19809” error The limit for recovery files specified by the db_recovery_file_dest_size was exceeded. Here I am…

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Multiplex Oracle control file

Multiplex Oracle control file: In order to reduce the risk of losing control files due to corruption, accidental removal, or any possible worst. Viewing the Control file available in our…

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DATABASE_LINK PARAMETER

DATABASE_LINK PARAMETER A database link is a schema object in one database that enables you to access objects on another database. The other database need not be an Oracle Database system. You can query a table or view…

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Recovering online redo log files without Backup

In this blog, We are going to learn about recovering online redo log files without any backup Step 1: Starting Up the database, SQL> startup ORACLE instance started. Total System…

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Recover a loss of all online redo log files using RMAN Backup

Steps to recover a loss of all online redo log files using RMAN Every instance of an Oracle database has an associated online redo log to protect the database in case of an…

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Creating a Instance in cloud

Here I am going to explain about how to create a Instance in cloud, Step 1: Provide the instance name as your suitable: Step 2 : Click the change Image…

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