When creating indexes, some common mistakes should be avoided.
How primary key are implemented in InnoDB, and how to build fast primary keys.
Let’s use MariaDB 10.3 stored aggregate functions to implement a geometric mean.
Stored procedures are considered slow and not scalable, especially in the MySQL world. But in some cases they can increase an application speed and scalability.
Do you want to improve your application’s and database server’s performance? Remove useless queries. Yes, you probably have them.
MySQL JSON types has a rich set of functions. This allows us to use JSON to simulate native objects.