Видеоурок "Элементарные выборки посредством оператора SELECT. Агрегатные функции SQL."

Видео опубликовано Пнд, 23/03/2009 - 15:48 rybalex
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Видеоурок "Элементарные выборки посредством оператора SELECT. Агрегатные функции SQL."
Цель видеоурок: Изучение работы оператора SELECT языка SQL. Изучение возможностей обработки данных с помощью агрегатных функций языка SQL.

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