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1. The scope of the course part
Very simple subqueries
Subqueries with multiple results
Correlated subqueries
Other subqueries


Hello! This is part 5 of our SQL course. So far you've learnt to build simple queries with lots of additional clauses.

You will now get to know subqueries. It's a powerful tool which will help you build complex instructions. Ready, steady - go!


Click Next exercise to proceed.