After Oracle Database Upgrade to 12.2, Database Express Did not work

I upgraded one database from 11.2.0.4 to 12.2.0.1 on one Solaris Sparc server. After that I configured the Enterprise Manager Database Express, but when I tried to access it, I got the following error: For more information about Oracle Enterprise Manager Database Express, please refer to my post:https://ahmedfattah.com/2018/10/14/oracle-enterprise-manager-database-express-12c-overview/ Environment: Oracle Solaris 11Oracle Restart 12.2.0.1Oracle Database … Continue reading After Oracle Database Upgrade to 12.2, Database Express Did not work

Oracle Database 19c (19.3) Installation on Windows (Step-by-Step)

This is a quick post about installing Oracle Database 19c (19.3) on my laptop (Windows 10). Procedure will be presented as screen cast. As far as I remember, Oracle 19c was released during Mar-2019 for Linux, and during Apr-2019 for SPARC Solaris and during Jun-2019 for Windows,zLinux , HP and AIX Software Download: First of … Continue reading Oracle Database 19c (19.3) Installation on Windows (Step-by-Step)

Oracle Enterprise Manager Database Control & Time Zone

Background: Egypt time zone is GMT+2. Starting from year 1988, Egypt started to use the summer time zone (GMT +3) starting from the last Thursday of Apr till the last Thursday of September (5 months), then it reset back to GMT +2 for the remaining of the year. Summer time zone was cancelled at 20-Apr-2011, … Continue reading Oracle Enterprise Manager Database Control & Time Zone

Oracle 12.2 Database Creation

This post is just a screen cast for the process of creating a new container database with two PDBs in Oracle version 12.2. Login to the database server, set the ORACLE_HOME , PATH and DISPLAY , then run the Database Configuration Assistant "dbca" as oracle user: Check the listener status and ensure that the newly … Continue reading Oracle 12.2 Database Creation

Oracle Database Fast Cloning Options for Databases on Supercluster

I had a question from one of my customers about the available fast cloning options for Oracle databases. This customer has a supercluster on the production site and another supercluster on the DR site. The client requirement is to be able to prepare a new Test/Dev database in minutes , not hours for their large … Continue reading Oracle Database Fast Cloning Options for Databases on Supercluster