Database Tutorials for developers about databases. Complete your knowledge on NoSQL and RDBMS. Tutorials MySQL : create a dynamic pivot table 2022-11-12 How to convert lines of a table into columns? MySQL : order by with null fields 2022-11-12 Customize the sorting algorithm with COALESCE. MySQL : how to query the description of a table? 2022-11-12 Rework the result of DESCRIBE. MySQL REPLACE : insert or update a line 2022-11-12 How to insert a new line or update it, if it already exists with MySQL? MySQL DELETE with join 2022-11-12 Delete a line in a query involving several tables.