You might be wondering what is SQL. Let's start with explaining what it stands for. SQL stands for Structure Query Language and it is a language that allows you to communicate with databases. In previous lesson we explained what is a database and we explained that you store data in tables that consist of columns, rows and data. You can have multiple tables related to each other so you need a way to retrieve data (from one or multiple related tables), insert, update or delete data in tables.
In order to do that you need language that your Database Management Software (DBMS) understand and can convert into actions. This language is SQL. To better understand what is SQL let's give you several simple examples of actions you might want to perform on your database.
Let's say you have been given a database and you have been given several tasks:
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