Практикум. Обрабатываем результаты и делаем сложные запросы
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Здесь:
▫️Подсчет строк в результате запроса COUNT
▫️Оператор GROUP BY
▫️Оператор HAVING
▫️Джойны и алиасы
▫️UPDATE данных
▫️Представления (views)
▫️Хранимые процедуры
▫️Триггеры SQL
BY SQL для тестировщика
The seemingly negative pandemic effects and resource/product shortages are encouraging and allowing organizations to innovate and change.The news of cash-rich organizations getting ready for the post-Covid growth economy is a sign of more than capital spending plans. Cash provides a cushion for risk-taking and a tool for growth.
A Telegram spokesman declined to comment on the bond issue or the amount of the debt the company has due. The spokesman said Telegram’s equipment and bandwidth costs are growing because it has consistently posted more than 40% year-to-year growth in users.
SQL для тестировщика from tr