Oracle Exadata Administration Workshop (Jan-2022)

I'm going to run two Exadata Administration workshops during Jan-2022. Both of them will start on 01-Jan till 08-Jan: The first one will start at 2pm till 6pm (Language= English) The second one will start at 7pm till 11pm (Language= English + Arabic). For workshop content, registration and fees, please follow the following link: ThanksAhmed


Oracle Virtual Machines for Sale !

Are you looking for a virtual machine to do some hands-on labs or practice something (i.e. for Educational purposes}? Do you have the time to build these virtual machines yourself? Below are some really nice Virtual Machines, that I invested allot of time to build on Oracle Virtual Box, and that I used them personally … Continue reading Oracle Virtual Machines for Sale !

Oracle Database 20c is now Generally Available

Oracle Database 20c is now Generally Available on the cloud two days ago, 14-Feb-2020. Oracle 20c is next major database release. It includes many new fetaures espcially in the following areas: BlockchainMachine LearningSecurityJSONIn-Memory For a quick introduction to this new release: Also, for complete list of the new features, please refer to the: Oracle Database … Continue reading Oracle Database 20c is now Generally Available

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

Exadata – Flashcache Contents/objectNumber

This is a quick post about a question that I got about the objectNumber in the "list flashcachecontent" output, is it the same as object_id in the dba_objects in the database? Answer: No, objectNumber is not the same as object_id in dba_objects, actually it maps to the "data_object_id" not the "object_id" Example: Also, the tablespaceNumber … Continue reading Exadata – Flashcache Contents/objectNumber

Oracle Exadata Log Files

When time came to troubleshooting , we started to search and review the log files. At stress time, one may waste time searching about the location of these log files. So, it may be a good practice to document the location of your environment log files, so as to reach them quickly when you need … Continue reading Oracle Exadata Log Files

Protected: Oracle Database Guard 12c Implementation with RAC (Step-by-Step)

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Oracle tnsnames.ora Distribution Management System!

What? Does tnsnames.ora file need a Distribution Management System? In our case, the answer is yes. It is a headache to implement our client requirements without some sort of automation. What is tnsnames.ora file? tnsnames.ora is a text file that resides on the ORACLE_HOME/network/admin and contains some simple information about our databases connection information, it … Continue reading Oracle tnsnames.ora Distribution Management System!