SQL Language posts
Complex queries can take a very long runtime and may cost expensive computing resources, therefore data analysts or any others who want to retrieve data from databases should be familiar with methods for optimizing queries
This is the third part in a series of SQL analytics applications, this section will deal with normalizing data in sql.
In this chapter I will focus on analytical implementation that can be executed in SQL using the Rank function.
This post is the beginning of a series in which I will describe common analytical SQL queries that a data analyst is doing on a daily basis. In this chapter…