© Albert Nogués and Juan Valladares 2017

Albert Nogués and Juan Valladares, Business Intelligence Tools for Small Companies, 10.1007/978-1-4842-2568-4_3

3. SQL Basics

Albert Nogués and Juan Valladares1

(1)Barcelona, Spain

Prior to getting started with relational databases and probably, even more complicated things, you need to be familiar with the standard language used to interact with them. While you can get away without knowing SQL and working with databases (think in Microsoft Access), sooner or later you will need to learn it.

In this chapter we will see an introduction to SQL. We will concentrate only in basic topics, so you won’t get lost in details that are not needed in the first stages of your project.

For the ones that already possess ...

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