After an incredibly productive and inspiring week at Oracle AI World 2025 in Las Vegas, it’s time to keep the momentum going! It was an honor to present technical sessions, a hands-on lab, and an executive roundtable, and to spend valuable time at the MAA HUB booth meeting customers, partners, and Oracle colleagues from all…
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Playing with Application Continuity – Fundamentals
Today we will play with an exciting and not very well-known feature within the Oracle Database, called Application Continuity (AC) which is available with the Oracle Real Application Clusters (RAC), Oracle RAC One Node and Oracle Active Data Guard options and it masks outages from end users and applications by recovering the in-flight database sessions…
Playing with various Boot options and Kernels in Oracle Linux
Are you curious about what a boot is and how it works? Look no further! Check out this informative article on Oracle Linux where you can learn about boot options, available kernels, and more. Plus, you’ll get to play with exciting tools and applications that will make your life easier. Discover how to change your…
What is better than learning for Free? Free Cloud World Digital Pass & Oracle MAA
This week is Oracle Cloud World in Las Vegas. Can’t make it in-person? Not a problem, there’s STILL a way to catch much of the content, digitally. And, I have a code you can use to get a free Cloud World Digital Pass! The comp code to use at https://www.oracle.com/cloudworld/register/ is: OCWDIGITAL Of course, do…
Back-to-Basics: Understanding Backup and Recovery plus High Availability(Part II – Redo)
What is redo? Let’s look briefly at the redo process. When Oracle blocks (the smallest unit of storage in a database) are changed, including UNDO blocks, Oracle records the changes in vector changes, which are referred to as redo entries or redo records. The changes are written by the server process to the redo log…
Oracle Open World 2018 and More
Hi Everyone! These have been crazy weeks, but almost ready to board to another trip to Oracle Open World. I will like to thank everyone that participated on my Oracle Webcast last week “Does Cloud Mean the End of the DBA? DBA 18.0 – Life after 18c”. I was a success with a huge number…
Playing with Google Authenticator and Oracle Cloud – Securing SSH to Oracle account with two factor authentication
The Requirement Increase security when connecting via SSH to the Oracle OS account at Oracle Cloud by implementing two factor authentication (TFA or 2FA). The Environment Oracle Cloud Instance OS: Oracle Linux 6.9 The Implementation For this exercise we will implement Google Authenticator as our TFA solution in our Oracle Cloud Instance and configure it…
How to Solve: SQL Developer can’t start because MSVCR71.dll is missing (On Windows)
I have installed SQL Developer (with JDK) on Windows many times before, and almost all the time I receive the system error bellow when trying to execute it by the first time. Due to this, I decided to publish the solution to this annoying issue. We can easily fix this issue by following these simple…
My Latin American Tour in March
At March I will be presenting my very successful seminar “Mastering Backup and Recovery” in some countries of Latin America for the very first time. Thank you Panama, Chile and Brazil OUGs for inviting me to your amazing countries! Please, use the following links for registration and also to find more information about the seminar:…
My book: Oracle Database 12c Backup and Recovery Survival Guide
It was a long journey of hard work and team work that now has finished, as a result you will find my book Oracle Database 12c Backup and Recovery Survival Guide that I wrote with the help of my good friend Aman Sharma. I would also take this opportunity to recognize the great work done…