Database Administration & Monitoring

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(…)

Connecting your PostgreSQL instance to a Microsoft SQL Server instance

In the last posts I looked at how you can connect Oracle and MariaDB/MySQL to a PostgreSQL instance. In this post I'll do the same with a MS SQL Server instance.

GoldenGate Studio 12.2 – Installation

Today I will present you the new product GoldenGate Studio which was announced at the last Oracle Open World. This product allows to design the replication flows and deploy a solution with a graphical tool. Download The first step is(…)

Interested in the most advanced open source database? Where you can meet us in June …

Are you interested in what PostgreSQL can do for you? You can join us at the following events in June:(…)

Adaptive Plan: How much can STATISTICS COLLECTOR buffer?

By Franck Pachot . The 12c adaptive plan prepares two join methods (Hash Join and Nested Loop), actives the one that has the better cost for the estimated cardinality and computes the point of inflection in cardinality estimation where the(…)

When a query has read 350TB after 73K nested loops

By Franck Pachot . According that you have Tuning Pack, SQL Monitor is the right way to see what a query is currently doing. A query was running for days and the first figure I see is that it has(…)