Excel- Data Visualization
Charts and Graphs
Building beautiful charts and graphs is fairly intuitive. Check out the 3 videos below to learn how.
Introduction to SQL JOINs
A SQL join clause combines records from two or more tables in a relational database. There are 4 main kinds of JOIN statements- INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN. An overview of all the main JOINs is given in the following 2 videos. Don't worry if you don't understand all of it. We will cover each JOIN statement individually and give you enough practice to get used to it. Read a simple explanation after watching the videos below.
Dive into the details of the INNER JOIN.