The company

SQL Design is a one person company located in North West London.

Drop a message to and let’s talk business.

The future

To provide services in PostgreSQL database administration, design and development. Being open-minded, I am able to easily adapt to any business.

The present

My name is Michel Depiesse (please pronounce “de pi s”). Please have a look on LinkedIn. I live in London and I develop a system for PostgreSQL and the web. I broaden my knowledge in SQL programming, PostgreSQL, relational theory and Linux. I learn JavaScript and Node.js. I am essentially a back-end developer. I prepare PostgreSQL certifications with Dalibo. I am blogging also on

The past

I lived in Brussels and in Antwerp. I got degrees in IT and I worked for years in big companies. After some years with C and Perl programming and Unix administration, I worked with databases as administrator, developer and designer with Informix, Oracle, SQL Server and PostgreSQL. I learned the relational model and I enjoyed it because I love logic since my early youth. At the age of twelve, I had an awesome mathematics teacher who taught set theory, propositional and predicate calculus, truth tables, boolean algebra…