It is quite common to use an equality condition and an IS NULL condition on the same columns. Unfortunately, this could make queries very slow.
MariaDB
AUTO_INCREMENT primary keys are useful, because they save usthe trouble to generate a unique value for every row, delegating this task to the database. But when we reach the limit we need to take some action, or we won’t be able to insert more rows.
Reducing the number of queries is important with any DBMS. There are two reasons for this: reducing the latency of applications; and reducing the workload for the database servers.
MySQL 8.0 and 5.7 follow a new release policy that exposes users to important risks. They broke compatibility with Xtrabackup (again).
Transactions can be read only. This article explains what read only transactions are and why we should use them when appropriate.
This article discusses how to access data from a remote table using the CONNECT storage engine, in MariaDB.
MariaDB Server Fest 2020 was a great online event for the MariaDB community. This is a review from Vettabase.
Running DROP statements in production is always dangerous. But there are some measures we can take to make them safer.
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