Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

Inner-Join 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 ...

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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 ...