Posts by Sagayaraj Rajamanickam

Workspace Manager in Oracle 19c

Workspace Manager in Oracle 19c Introduction: Workspace Manager, a feature of Oracle Database, enables application developers and DBAs to manage current, proposed and historical versions of data in the same…

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Configuring Physical Standby Database Using Data Guard

Configuring Physical Standby Database Using Data Guard Primary Database - Dhee Standby Database - Dheedr STEP 1: Check the Primary DB is in archive log mode or not.If it is…

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Creating Physical Standby using RMAN Backup

Creating Physical Standby using RMAN Backup: A physical standby database is an exact, block-for-block copy of a primary database. A physical standby is maintained as an exact copy through a process…

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ORA 02049: Distributed Transaction Timeout waiting for lock

ORA 02049: Distributed Transaction Timeout waiting for lock This error occurs when a session is trying to modify a table’s row in a remote database through a database link that…

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Recovering Datafile Without Rman Backup

It is possible to recover datafile when accidentally removed or deleted and when there is no backup at all , We can recover the datafile without any issues ,now i…

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ACFS FILE SYSTEM IN OCI

ACFS FILE SYSTEM IN OCI Oracle ASM Cluster File System (ACFS) is a general purpose cluster file system implemented as part of ASM. It can be used to store almost…

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Oracle NID Utility

Oracle NID Utility – Changing the Database Name   This utility allows the user to change the DBID or the database name NID utility was introduced in Oracle 10g.  Giving…

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Moving Table from one tablespace to another tablespace

    The alter table  move command moves rows down into un-used space and adjusts the HWM but does not adjust the segments extents, and the table size remains the same. …

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RMAN – Backup Based Clone

RMAN has the ability to duplicate, or clone, a database from a backup or from an active database. It is possible to create a duplicate database on a remote server…

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Recycle Bin in Oracle

  Oracle database has the recycle bin which is a data dictionary table and contains information about dropped objects.  Until we don’t use the purge option, all dropped tables and…

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