Скачать или смотреть We Learn SQL #9 | Simple subqueries in SQL

A subquery is a SQL query nested inside a larger query. They are extremely useful, thanks to which your code will be easier to read, simpler, so you will work much faster and more efficiently.

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Hello, my name is Adrian, and this is a series of videos devoted to the basics of SQL. This time, we’re going to give you an introduction to SQL subqueries, a very powerful tool when creating SQL queries.

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