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PostgreSQL Full VACUUM Guide: Improve Performance & Free Space

December 5, 2023 admin

Their are two types of vacuum in PostgreSQL – ordinary vacuum and vacuum full. In PostgreSQL dead tuple is created…

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Posted in: PostgreSQL

Check Tablespace Location in PostgreSQL

November 30, 2023 admin

pg_tablespace_location(oid) function is used to check the path of PostgreSQL tablespace location on disk. Tablespace in postgres is the physical…

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Posted in: PostgreSQL

Alter Tablespace Add Datafile in Oracle

October 27, 2023 admin

To overcome tablespace full issue, you need to add datafile to the tablespace in Oracle otherwise you may face“ORA-01658: unable…

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Posted in: Oracle DBA

IO Error: The Network Adapter could not establish the connection

October 24, 2023 admin

Test Failed: IO Error: The network Adapter could not establish the connection is very generic error which you will get…

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Posted in: Oracle DBA

ERROR: [062]: stop file exists for stanza db

October 20, 2023 admin

You might have faced this error while creating or deleting staza in pgBackrest. I got this error while creating stanza…

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Posted in: PostgreSQL

pg_restore: error: corrupt tar header found in PGDMP

October 13, 2023 admin

bash-4.2$ pg_restore -U appmdm-Ft -d test < test.tarpg_restore: error: corrupt tar header found in PGDMP (expected 0, computed 18703) file…

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Posted in: PostgreSQL

ERROR: permission denied to create role in PostgreSQL

August 4, 2023 admin

To create a role in postgres you must have createrole permission otherwise you will get error permission denied to create role while creating role in PostgreSQL

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Posted in: PostgreSQL

Understanding Key Background Processes in Oracle

April 30, 2023 admin

When an instance is started, Oracle Database allocates a memory area called the system global area (SGA) and starts one or more background processes.

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Posted in: Oracle DBA, RDS Oracle

How to Change AWS RDS Instance Class using AWS CLI

February 9, 2023 admin

It is easy to modify AWS RDS instance class using AWS console but in this post we will discuss about…

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Posted in: Aurora PostgreSQL, AWS RDS, RDS Oracle

How to Find and Kill Blocking sessions in RDS Oracle

February 8, 2023 admin

You cannot use the “alter system kill session” command to terminate blocking sessions in RDS Oracle instead of that you…

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Posted in: AWS RDS, RDS Oracle

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