If you are into Data Analysis for a while now, you must be already aware of the basic commands such as SELECT, INSERT, UPDATE and DELETE etc, though they may be the most used it is also good to know the below queries for some deep diving into data.

Using Tableau to build interactive data visuals Data visualisation is a core skill in any data scientist’s arsenal. The volume of data generated in any enterprise is enormous, and making timely executive decisions relies on having all the relevant data and most current analysis available at your fingertips. In many...