Базы данных. MySQL. Индексы
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Агентство R.class Performance-стратегия для вашего бизнеса Мы специализируемся на performance-подходе при разработке и реализации стратегий по привлечению клиентов из интернета Номер заявления РКН: 4826983427
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Презентация: https://docs.google.com/presentation/d/153hP9EE2yo0-TEA4on6u5SOpUkM8siKDOxIegDNyhXI/edit?usp=sharing Практика: https://docs.google.com/spreadsheets/d/1cTs1lSIwtADVdZhEZOayukhvb67EgDBEwjQMTiqcMrA/edit?usp=sharing Тестовая база: https://drive.google.com/file/d/1ccgaym3hEUlMZkXMXXVIckhLF2qbqRtI/view?usp=sharing В этом занятии: - Проблематика - B-tree - Индекс по одному атрибуту WHERE - Индекс по нескольким атрибутам WHERE - Индекс WHERE + ORDER BY - Селективность индекса - Explain - Показать использование только части индекса - Ограничения - Производительность По любым вопросам, связанным с курсом можно писать на почту: [email protected] Личный канал Антона: https://www.youtube.com/channel/UCXboJ9Pgp3erz-nK3NNwXsw
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