Learn SQL

After learning HTML and CSS, you should consider SQL as your next target. If you wish to manage relational databases and their data, get some SQL training since it has been acknowledged as the standard language for such systems.

SQL allows people to store and manage data in relational databases. To learn SQL, you should know that commands are categorized into two groups of different types of commands.

• Data manipulation language (DML): used when you want to retrieve and change/update/delete data.
• Data definition language (DDL): responsible for the structure of databases.