Welcome to Federico-Razzoli.com

Most of Federico-Razzoli.com articles
are slowly being moved to Vettabase.com,
and in particular Vettabase blog.

This website will eventually contain my personal views and personal projects.
New contents will not necessarily be technical.


Use cases for MariaDB Invisible Columns

Use cases for MariaDB Invisible Columns

Invisible columns are columns that are not returned by a SELECT *. Their use cases are not obvious. ...
Practical advice for MySQL/MariaDB live migrations

Practical advice for MySQL/MariaDB live migrations

Modifying table structures is sometimes necessary, or desirable. Modifying them online can be a pain, especially with big tables. Migrations should be ran properly in production. ...
PostgreSQL hstore: key/value in relational tables

PostgreSQL hstore: key/value in relational tables

hstore is a PostgreSQL extension that allows to store key/value pairs in relational tables and work with them. ...
Understanding tables usage with User Statistics (Percona Server, MariaDB) (→Vettabase)

Understanding tables usage with User Statistics (Percona Server, MariaDB) (→Vettabase)

Let's use Percona User Statistics to analyse our most used tables, and to look for problems where they mostly matter. ...
My community activities in 2019

My community activities in 2019

31th December post: reviewing an year of open source database community activities in London. ...