The Full Stack Web Development - Part 2 - Distinct, Aliases & Concat

The video tutorial covers three key SQL concepts: DISTINCT, aliases, and CONCAT. It begins with an explanation of how DISTINCT is used to return unique values from a dataset, followed by a demonstration of using aliases to format column names for better readability. Finally, the tutorial shows how to use CONCAT to combine multiple columns into a single output, providing practical examples for each concept.

What is the purpose of using quotes around column names when using spaces in SQL?

Describe the output of a query that concatenates first name and last name.