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Oracle RAC database upgrade from 12c to 19c DBUA

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  Oracle RAC database upgrade from 12c to 19c DBUA By Real World Oracle | 12 SEPT 2025  Table of Contents _______________________________________ Introduction Oracle RAC database upgrade using DBUA PRECHECK UPGRADE Conclusion _______________________________________________ Introduction In this article, I will show a detailed step-by-step guide of an  Oracle RAC database upgrade from 12c to 19c using the DBUA tool. Oracle RAC database upgrade  using DBUA We will perform the Oracle RAC database upgrade in 2 parts. 1) PRECHECK 2) UPGRADE PRECHECK Precheck is the first step in the Oracle RAC database upgrade. Step 1)  Check the database status [oracle@lab1 ~]$ srvctl status database -d UATDB Instance UATDB1 is running on node lab1 Instance UATDB2 is running on node lab2 Step 2)  Spfile and pfile backup SQL> create pfile='/tmp/initUATDB1.ora' from spfile; File created. Step 3)   Database Archive Log mode Note: –  Before performing the Oracle RAC da...
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Oracle Database 23ai Step By step Installation setup on Oracle VM Vitual Box

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Oracle Database 23ai Step By step Installation setup on Oracle VM Vitual Box   Dear All,               In this post, I’m going to walk you through a comprehensive, step-by-step guide on how to install Oracle Database 23ai within an Oracle VM VirtualBox environment. This detailed tutorial is designed to help you set up a robust development sandbox or test lab using the latest AI-powered edition of Oracle’s flagship database. Whether you're an experienced DBA or just exploring new features in Oracle 23ai, this walkthrough will ensure a smooth and successful installation. Download Oracle Database 23ai Now You can try Oracle Database 23ai now.   Download Oracle Database 23ai Free Go to this link https://www.oracle.com/database/free/get-started/ Step 1: Get Oracle VM VirtualBox on Your System Start by downloading and installing Oracle VM VirtualBox on your computer. In my case, VirtualBox is already installed, so I’ll move ahead ...
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