In MariaDB and MySQL, all tables should have a primary key – especially InnoDB tables. Here's why.
MariaDB
Updating triggers in production without causing a service disruption
It is possible to prevent some users from seeing a set of rows in a certain table.
MariaDB implemented several improvements to the DROP TABLE statement. We summarise them here. This article will be kept up to date when MariaDB implements further improvements, in the future.
MariaDB supports RETURNING statements, that can save one query making our applications faster and reducing server source usage.