If you are someone who wants better clarity on how "WHERE" and "HAVING" clauses actually work in SQL, I have found out a place. let's make this clear first, I assume you have a basic understanding before reading further a refresher will be a plus bef...
let me tell you before you start with this, this gonna be a long ride so sit back and prepare yourself with MYSQL ready and commit the required time for this exercise. this is going to be short concise and point to point because I don't want to waste...
Although when you think about which one executes faster & retrieval time of the query using joins vs subquery, join always wins. but in some cases using subqueries is a wise decision instead of join because of some obvious reasons like joins can get ...
