As you might realize by now, writing SQL queries is one of the essential skills any inspiring data analyst needs to master. After all, larger datasets are typically stored in relational databases and Structured Query Language is the language that helps us communicate with such databases.
Source : http://www.datasciencecentral.com/xn/detail/6448529:BlogPost:919709
Date : January 5, 2020 at 11:20PM
Tag(s) : #DATA ENG
