Introduction In Oracle database management, ensuring the integrity and availability of control files is crucial. Multiplexing of control files is a vital step in safeguarding against potential failures. This process involves creating multiple copies of control files and storing them in separate locations, reducing the risk of data loss due to a control file failure….
Tag: oracle dba
ORA-12012: error on auto execute of job SYS.ORA$AT_OS_OPT_SY_
Introduction ORA-12012 error is related to Oracle Database and is part of the Oracle Job Scheduler (DBMS_SCHEDULER). It usually occurs when an automatic task or job execution encounters an issue. The error message you’re seeing, “ORA$AT_OS_OPT_SY_<number>,” is specific to the job causing the problem. During the 12c database creation process , you can see ORA-12012…
Install Oracle 19c on Linux
Introduction Installing Oracle Database 19c on a Linux system might sound complex, but with a well-structured approach, it can be a smooth process. In this guide, we’ll break down the installation steps into simple and easy-to-follow instructions, ensuring you set up or install Oracle 19c successfully on your Linux machine. Steps for Installation: 1. Download…
Install Oracle Database 12.2 on Linux
Introduction Installing Oracle Database 12.2 on Linux system might seem daunting at first, but with the right guidance, it can be a smooth process. In this guide, we’ll take you through the step-by-step procedure to install Oracle Database on a Linux environment. By the end of this tutorial, you’ll have a functional Oracle Database instance…
Relocate MGMTDB Database To Another Node
Introduction Relocating a Management Database (MGMTDB) database to another node is a critical task in ensuring the smooth operation and management of your database environment. Whether you’re upgrading hardware, optimizing performance, or performing maintenance, this guide will walk you through the process to ensure a seamless transition. Follow these steps to successfully relocate your MGMTDB…
RAC Database Shutdown Procedure
Introduction When it comes to managing an Oracle Real Application Clusters (RAC) database, proper shutdown procedures are crucial to maintain data integrity and prevent potential issues. In this short blog post, we’ll guide you through the step-by-step process of shutting down an Oracle RAC DB in sequence using commands, ensuring a smooth and safe shutdown….
Generate DDL Of Tablespace
Introduction In Oracle databases, understanding how to generate DDL of tablespaces is essential for database administrators and developers. The DDL (Data Definition Language) statements allow you to recreate tablespaces in case of migration or disaster recovery scenarios. In this short blog, we’ll explore the syntax and steps to retrieve the DDL of a tablespace in…
Oracle Users Create & Unlock
Introduction In the world of database management, Oracle stands as one of the most robust and widely-used relational database systems. Managing user accounts efficiently is crucial for maintaining data security and integrity. In this blog post, we’ll walk you through the process of creating new users and unlocking existing ones in Oracle, complete with the…
Creating a New User in Oracle Database
Are you new to Oracle Database and looking to learn how to create a new user? In this guide, we’ll walk you through the process of creating a new user in Oracle Database using the appropriate syntax. Creating a new user is an essential skill for database administrators and developers, so let’s get started! Step…
TableSpace Management In Oracle
Tablespace management in Oracle involves various activities and considerations to ensure efficient storage, performance, and availability of database objects. Here are some key aspects of tablespace management in Oracle: 1. Creating a new tablespace To create a new tablespace, use the CREATE TABLESPACE SQL command. Define the tablespace name, data file(s) location, size, and other…