Conferences
An Interview about MariaDB and PostgreSQL
At the Open World Forum two weeks ago I had the pleasure to meet with Colin Charles. We had a nice talk about the current state of both MariaDB and PostgreSQL, and even …
Getting more out of PostgreSQL
Notes on SQL technique, data modeling, and PostgreSQL internals — from the author of The Art of PostgreSQL. New articles are built on the free Lab so you can run every query yourself.
PostgreSQL
PostgreSQL Autonomous Transaction
PostgreSQL is an all round impressive Relational DataBase Management System which implements the SQL standard (see the very useful reference page Comparison of different …
Conferences
Open World Forum Conference
Last Friday I had the chance to be speaking at the Open World Forum in the NewSQL track, where we had lots of interest and excitement around the NoSQL offerings. Of …
Projects
A Worthwile Micro Optimisation
In our previous article about Loading Geolocation Data, we did load some data into PostgreSQL and saw the quite noticable impact of a user transformation. As it happens, …
Projects
Loading Geolocation Data
As I’ve been mentionning in the past already, I’m currently rewriting pgloader from scratch in Common Lisp. In terms of technical debt that’s akin to …
Conferences
Open World Forum 2013
Have you heard about the Open World Forum conference that takes place in Paris, October 3-5, 2013? I’ll be presenting a talk about PostgreSQL in the track NewSQL: …
PostgreSQL
PostgreSQL data recovery
The following story is only interesting to read if you like it when bad things happen, or if you don’t have a trustworthy backup policy in place. By trustworthy I …
PostgreSQL
Using trigrams against typos
In our ongoing Tour of Extensions we played with earth distance in How far is the nearest pub? then with hstore in a series about trigger, first to generalize Trigger …
PostgreSQL
Auditing Changes with Hstore
In a previous article about Trigger Parameters we have been using the extension hstore in order to compute some extra field in our records, where the fields used both for …
PostgreSQL
Trigger Parameters
Sometimes you want to compute values automatically at INSERT time, like for example a duration column out of a start and an end column, both timestamptz. It’s easy …
PostgreSQL
Understanding Window Functions
There was SQL before window functions and SQL after window functions: that’s how powerful this tool is. Being that of a deal breaker unfortunately means that it can …
Projects
Migrating from MySQL to PostgreSQL
About the only time when I will accept to work with MySQL is when you need help to migrate away from it because you decided to move to PostgreSQL instead. And it’s …