-- we are going to add return reason in orders tables, this will show all colums from orders and all columns from returns -- this will show all data which is matching, and neglect the null value ...

Objective The objective of this task is to understand and practice SQL joins by creating two related tables: cus (customers) and ord (orders). The goal is to learn how to retrieve and combine data ...

I've been in an argument with one of our devs that took an update statement with an inner join and made it a left join (because inner was missing some records somehow in the left table - tableB in ...