1. Introduction to SQL for Analytics
Overview
By the end of this chapter, you will be able to explain data, its types and classify data based on its characteristics. We will calculate basic univariate statistics about data and identify outliers. You will use this bivariate analysis to understand the relationship between two variables. You will explore the purpose of SQL and learn how it can be used in an analytics workflow. Finally, you will learn how to explain the basics of a relational database and perform operations to create, read, update, and delete (CRUD) a table.