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1. Introduction to SQL

A database can have millions of records within it. There must be a way to interrogate a database to extract information from it and also an efficient way to add or change the data.

database field

The answer was the development of a standard database language called 'Structured Query Language' or SQL.

This language is almost 'english-like' and so it is easy to learn.

This section will cover the format and some of the commands available in SQL.


Challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: What is SQL