How to join tables in MySQL - arcade music version
In this video I use the JOIN ON ... WHERE command to join the two tables "customers" and "personal_data". I also give the AS command to give each table name a shortened alias. You will notice each table has the same field ssn with the same info. I joined the table on this field. This is probably one of the ways how they collect your information behind the scenes even if they don't have your name.