Database Administration & Monitoring

A look at PostgreSQL 9.6 – progress reporting for VACUUM operations

Vacuum in PostgreSQL is one of the most important points to consider when managing a PostgreSQL instance. Usually vacuum is running in the background and just gets the job done. But, as always, there are situations when(…)

Multitenant dictionary: what is stored only in CDB$ROOT?

By Franck Pachot . Multitenant architecture is about dictionary separation. The idea is that all system metadata is stored only in CDB$ROOT so that space and upgrade time are optimized. Is it entirely true? let's count the rows in the(…)

EM13c Gold Agent Image

One of the most interseting new feature in Enterprise Manager 13c is the Gold Agent Image. This new feature will simplify the agent management. The first thing to do is to create a Gold Agent image, from the setup menu(…)

EM13c and Management Pack Annotations

Enterprise Manager 13c offers a new feature allowing displaying the management packs used by a feature. To enable the Management Pack Annotations, you select Enable Annotations from the Setup Menu –> Management Pack: From now on your menus(…)

Enterprise Manager 13c and BI Publisher

In Enterprise Manager 12c, if you need to display the database storage, from the report menu you have the following possibilities: From now on, with Enterprise Manager 13c, this possibility does not exist anymore in the report menu,(…)

A look at PostgreSQL 9.6 – The wait interface

For a long time there was no real wait interface in PostgreSQL core. Now, with the upcoming 9.6, pg_stat_activity was extended to provide more meaningful information for what a session is currently waiting on.

Happy birthday PostgreSQL

SQL Server 2016: Extended Events are more powerful as Trace Flag for Backups and Restores

Before SQL Server 2016, we use Trace Flag to display information about backup and restore operations like the 3004, 3014, 3213 or 3604. Here a link to the MSDN with a great(…)

GoldenGate Studio 12.2 – Create repository

In a previous blog I explained you how to install GoldenGate Studio. This time the goal is to describe how to create the repository required by GoldenGate Studio. Oracle provides a tool to create all the repository data(…)

SQL Server: Now Cumulative Updates (CU) need to be install!

 Since this year, Microsoft recommends to install Cumulative Updates (CU) like Service Packs (SP) In the past, Microsoft always recommended to apply the Service Packs and security fixes for SQL Server. Cumulative Updates were applied only if(…)