Oracle

When unreachable NFS share mess up your Dbvisit Standby configuration

If I had to rank my favorite Oracle-related tools and software, Dbvisit Standby would likely be at the top of the list. You are reading this post, so you probably know that Dbvisit Standby is a(…)

Move a PDB from a server to another one using NFS

Introduction Multitenant brings new possibilities regarding Oracle databases, and one of them is to move a database from a container to another quite easily. When containers are on the same server, it’s very easy, but when the containers are on(…)

5 things that aren’t true about RMAN

Introduction RMAN backups are not a hot topic today. This is because it didn’t evolve that much in 12c/18c/19c, and most of the databases are now protected by a good backup strategy since years, and no changes are needed. Furthermore,(…)

Improve Oracle Insert Performance with BULKCOLLECT and FORALL

As specified by Steven Feuerstein into the Oracle Blog Website the bulk processing features of PL/SQL are designed specifically to reduce the number of context switches required to communicate from the PL/SQL engine to the SQL engine. Using BULK(…)

DataPump and the Transform option – Not very well known, but it can be useful

I work with Oracle Databases and Datapump for more than 10 years but still I find some datapump options that I did know and in some cases can be very helpful. For a customer we did a migration of(…)

ODA update-server to 19.12 fails on Patch GI with RHP

Sometimes giving a workshop is a good opportunities to test new things...this what happened to me today...  :-) While giving an ODA workshop, I thought it was a good opportunity to test patching to the new 19.12 release. However during(…)

SELECT FROM DUAL : Oracle Performance And Tuning

The DUAL table is automatically created by Oracle and contains one column (DUMMY) and one row (x value). This table is often used by SQL developer in PL/SQL code (Package, Functions, Trigger) to initialize variables storing technical information such as(…)

Nutanix Era with oracle databases : Part 1 – Introduction

I'm currently setting up a lab for Nutanix Era in order to be able to provide some presentation on this subject and see how Nutanix Era interacts with Oracle databases. I therefore thought it would be certainly helpful and a(…)

Amazon RDS Oracle in Multitenant

By Franck Pachot . AWS has just added the possibility to create your oracle Database as as CDB (Container Database), the “new” architecture of Oracle where an instance can manage multiple databases, adding a new level between the heavy(…)

El Carro: The Oracle Operator for Kubernetes

By Franck Pachot . Google Cloud, Open Source and Oracle Databases… what seems to be a paradox is possible, thanks to cloud providers who contribute to open infrastructure. The idea is to use Operators (custom resource controllers on Kubernetes)(…)