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

Posted on by Ahmed Abdel Fattah

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

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Oracle Enterprise Manager Database Control & Time Zone

Posted on by Ahmed Abdel Fattah

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 Enterprise Manager Database Express 12c Overview

Posted on by Ahmed Abdel Fattah

Oracle Database 12c introduced Oracle Enterprise Manager Database Express 12c. Oracle Enterprise Manager Express is a Web-based interface for managing an Oracle database. Using Oracle EM Database Express, you can perform basic administrative tasks such as user, performance, memory, and space management. Oracle Enterprise Manager Database Control is no longer available. EM Database Express is … Continue reading Oracle Enterprise Manager Database Express 12c Overview

Oracle 12.2 Database Creation

Posted on by Ahmed Abdel Fattah

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

Posted on by Ahmed Abdel Fattah

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