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Oracle

Oracle Database as our consultants live it every day: installation and patching, upgrades, RMAN backup and recovery, Data Guard, RAC, performance tuning, multitenant, licensing, and engineered systems such as ODA and Exadata.

Delphix Data Virtualization and Masking

After successfully completing several customer projects involving Delphix products, Data Virtualization and Data Masking, I decided to set up a complete infrastructure internally to test the combination of both products. Delphix Data Virtualization Creates only a virtual copy of your database blocks instead of a full physical copy. For example this allows making a new big database available only in… 

Cleanup Oracle After Patching

cleanup Oracle-Home(s) after applying the quarterly Release Updates Do you suffer from the fact that release updates take longer each time?Are you afraid that your hard disk will fill up because the Oracle-Home is getting bigger and bigger?Here is the how-to for cleaning up your environment. A) cleanup – option 1 for Out-Of-Place patching According to Oracle’s recommendations, you did… 

How to clone remote PDB with dbaascli on ExaCC?

When your DB infrastructure move to ExaCC, it’s a good option to appropriate the tools offer by it to facilitate your life. And for ExaCC, this tool is dbaascli. It manages many aspects of the ExaCC layers. And in this blog, we focus on the clone remote PDB with dbaascli! The environment used for this blog is : Server Name… 

New Oracle Database Appliance X11 series for 2025

Introduction Oracle Database Appliance X10 is not so old, but X11 is already out, available to order. Let’s find out what’s new for this 2025 series. What is an Oracle Database Appliance? ODA, or Oracle Database Appliance, is an engineered system from Oracle. Basically, it’s an x86-64 server with a dedicated software distribution including Linux, Oracle Grid Infrastructure (GI) including… 

Oracle Database Replay for a RAC environment

The database Capture/Replay feature of the Real Application Testing (RAT) suite enables you to capture the workload from a production database and replay it on a test or development environment. This allows for realistic testing of database changes, such as upgrades, patches, or hardware migrations. In this blog, we’ll explore how to accomplish this when both your production and test… 

Oracle Database on Apple Silicon with Virtualbox 7.1

I blogged in the past about running an Oracle database for testing purposes on Apple Silicon. Initially with emulated Intel code here and then (when Oracle released its 19c database software for ARM) with UTM as a wrapper for the QEMU hypervisor here. In the meantime another possibility came up since Oracle released its type II hypervisor Virtualbox for ARM… 

Convert Single Instance database to RAC on an ODA

In this article, I will show you how to convert a SI (Single Instance) database to a RAC database on an ODA using rconfig. Of course this is only possible with the ODA 2-HA model as it comes with a 2 nodes cluster. There is no way to do RAC database on the ODA light model. I will also ensure… 

DPR and Dbvisit Standby on ODA

Introduction Since patch version 19.21 (current one is 19.25), Oracle Database Appliance (ODA) X7, X8 and X9 will require the use of Data Preserving Reprovisioning (DPR) to apply the patch coming from 19.20 and previous releases. Unlike traditional patching, DPR erases the system disks but keeps data on ASM/ACFS disks. Data means databases, ACFS volumes, DB homes, DB Systems and… 

ExaCC OCI integration with OEM 13.5 Cloud Control installed On-premises.

Introduction I wrote this article to show how you can integrate Legacy OEM with your Cloud environment in this case Oracle ExaCC.To have overall view on your Exadata X9M Cloud Infrastructure, statistics related to CPU/Memory/ASM Storage usage. Your on premise monitoring OEM can read data from Oracle cloud using OCI libraries and present them in combination with your standard DB/VMs… 

OEM Cloud Control Release update to 13.5.0.23

Introduction This is upgrade procedure to release update from 07 Aug 2024. 13.5.0.23 Its also one of prerequisites for integrating OEM with OCI Exadata Cloud@Customer solution available on my other post under this link: https://www.dbi-services.com/blog/exacc-oci-integration-with-oem-13-5-cloud-control-installed-on-premises Patching procedure and process is basically regular with usage of standard OMSPatcher. We updating from version 13.5.0.16 to 13.5.0.23 This update release bring some improvements… 

Automatic Transaction Rollback in Oracle Database 23ai

In the Oracle Database 23ai Enterprise Edition, it is now possible to automatically rollback some transactions, and a set of new parameters have been added to control this behavior. Of course implementing this feature requires deep understanding of your application, data model and source code. The general idea : * We don’t want critical transactions to be delayed for too… 

Hot Clone of a Remote PDB in a Dataguard Environment 19c

Introduction In Oracle Database 19c, if you have a Dataguard Configuration of a multitenant database, and you want to clone a pluggable database from a remote server to your primary, then you have to mind that the dataguard mechanism is about applying redo, not copying datafiles : After you execute the clone, the new cloned pluggable will be useless on…