Beginner - "Coursework"

For those new to SQL you have a number of online courses and tutorials to select from in order to level up your knowledge.

• https://www.pgexercises.com
• https://sqlbolt.com
• https://khanacademy.org/computing/computer-programming/sql
• http://sqlzoo.net/

Intermediate - "Capture The Flag"

The challenge is to capture a number of "flags" by importing the datasets we've provided and finding the answers below.