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Что делает оператор EXPLAIN в SQL?
Anonymous Quiz
Анализирует использование индексов в запросе.
Показывает план выполнения запроса.
Оценивает статистику распределения данных.
Анализирует использование памяти.
Проверяет наличие ошибок в запросе.
Контролирует исправление ошибок в запросе.
Выводит информацию о предполагаемом времени выполнения запроса.
Выводит список индексов, используемых при выполнении запроса.
Генерирует отчет о производительности запроса.
Отображает структуру и размер временных таблиц, создаваемых в процессе запроса.
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SQL для тестировщика Telegram | DID YOU KNOW?

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Find Channels On Telegram?

Telegram is an aspiring new messaging app that’s taking the world by storm. The app is free, fast, and claims to be one of the safest messengers around. It allows people to connect easily, without any boundaries.You can use channels on Telegram, which are similar to Facebook pages. If you’re wondering how to find channels on Telegram, you’re in the right place. Keep reading and you’ll find out how. Also, you’ll learn more about channels, creating channels yourself, and the difference between private and public Telegram channels.

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