This blog is about various subjects, mainly performance oriented, around databases (Oracle, MariaDB, MySQL, PostgreSQL, SQL Server, …) and their supporting operating systems (Linux, HPUX, AIX and Solaris).
Most of subject ideas of this blog are coming from internal customers or discussion with teammates. I personally rate best way to increase your knowledge on whatever product is to do production support.
The views expressed in this blog are mine and are not the ones of companies mentioned.