Is it possible to map one Tablespace to many Tablespaces with impdp?

I got this question from one of my clients. He is going to migrate one database from one platform to another. In this database many users are sharing the same tablespace. For example: In the current database, all application users are sharing the tablespaces “USERS” The client wants to change this, so as each schema … Continue reading Is it possible to map one Tablespace to many Tablespaces with impdp?

Oracle Read Only Tables

Starting from Oracle 11gR1, oracle allows us to change a table to be a read-only table. Let us have a quick demo: I'm connecting as user HR ( to a 19c pluggable database). I have a small table "DEPT": So, now I'm going to change the table to be read only table: Now let us … Continue reading Oracle Read Only Tables

How to Create Autonomous Datawarehouse Database (Always Free Services)?

https://www.youtube.com/watch?v=nOJowoCyw7Y ThanksAhmed

The beauty of Visualization with Oracle Database

https://youtu.be/3N2wgayry4g ThanksAhmed

Oracle Database Password file presentation

https://youtu.be/sHUMO-uVYqU ThanksAhmed

Oracle Enterprise Manager Database Express 12c Overview

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 Apex Deployment Models in a Multitenant Database

Following are screen shots from one of my latest presentations about this topic: References: https://docs.oracle.com/database/121/HTMIG/db_pluggable.htm https://oracle-base.com/articles/12c/multitenant-uninstall-apex-from-the-cdb-12cr1 ThanksAhmed

Installing Oracle Database 18.3 on Windows

This is a quick post about installing Oracle Database 18.3 on my laptop (Windows 10). First of all download the software media file. You can download the media from: https://www.oracle.com/technetwork/database/enterprise-edition/downloads/oracle18c-windows-180000-5066774.html The file name is called:WINDOWS.X64_180000_db_home.zip and it is about 4.5GB Create a folder under d:\app called db183 Unzip the media under this folder d:\app\db183 The … Continue reading Installing Oracle Database 18.3 on Windows