SQL - Fundamentals 1

While SQL can be used to create and modify databases, the focus of this section will be querying databases. The overall objective that will be achieved after completing this quest is a solid grasp of SQL fundamentals: SELECTing fields/columns from a table, aggregating, as well as ordering with DISTINCT, and ORDER BY.

Goals

• Become proficient in the usage fundamental SQL statements.

Codewars Katas

You need to resolve this three Codewars Katas

Challenge

Codewars Katas

Once you have completed the katas, you can validate this quest yourself.