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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 6 of our SQL course. So far you've learned to build simple queries with lots of additional clauses.

You will now get to know subqueries. They are a powerful tool which will help you build complex instructions. Ready, steady – go!


Click Next exercise to proceed.