A MariaDB Server Fest 2020 review
MariaDB Server Fest 2020 was a great online event for the MariaDB community. This is a review from Vettabase. Continue reading A MariaDB Server Fest 2020 review
Author Archives: federico.razzoli
The most dangerous SQL statement
Vettabase asked the community what is the most dangerous SQL statment. Let’s think a bit about it! Continue reading The most dangerous SQL statement
Dropping database objects in a safe way
Running DROP statements in production is always dangerous. But there are some measures we can take to make them safer. Continue reading Dropping database objects in a safe way
Logging all MariaDB and MySQL queries into the Slow Log
MySQL and MariaDB optionally log slow queries into the Slow Query Log – or just Slow Log, as friends call it. However, there are good reasons to log all the queries, not just some of them. Continue reading Logging all MariaDB and MySQL queries into the Slow Log
Understanding tables usage with User Statistics on MariaDB and Percona Server
User Statistics plugin allows to analyse the way tables are used, which of them are used most – and therefore, on what we need to focus on to optimise the server’s workload. Continue reading Understanding tables usage with User Statistics on MariaDB and Percona Server
PostgreSQL Features Missing in Amazon Redshift
Many PostgreSQL features are not available in Redshift, particularly those that are not suitable for a database cluster or for analytics, and those that Amazon didn’t consider important enough to spend the necessary resources to maintain them. Continue reading PostgreSQL Features Missing in Amazon Redshift
Why Tables need a Primary Key in MariaDB and MySQL
In MariaDB and MySQL, all tables should have a primary key – especially InnoDB tables. Here’s why. Continue reading Why Tables need a Primary Key in MariaDB and MySQL
Updating triggers in production with MariaDB and MySQL
Updating triggers in production without causing a service disruption Continue reading Updating triggers in production with MariaDB and MySQL
What does NULL mean in SQL?
Does NULL mean “no value”? Or does it mean “an unknown value”? Its semantics and history are ambiguous and inconsistent. Continue reading What does NULL mean in SQL?
MariaDB/MySQL: Using views to grant or deny row-level privileges
It is possible to prevent some users from seeing a set of rows in a certain table. Continue reading MariaDB/MySQL: Using views to grant or deny row-level privileges