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🌐 SQL: история, теория и практика

Плейлист с подробным разбором SQL — языка, знание которого нужно практически всем тестировщикам. Более 15 часов видео.

◽️Часть 1.1 История возникновения
◽️Часть 1.2 Нормализация
◽️Часть 1.3 Проектирование схемы данных
◽️Часть 2.1 Операторы и практика работы с запросами
◽️Часть 2.2 Практика работы с запросами
◽️Часть 3.1 Вложенные запросы
◽️Часть 3.2 Вложенные запросы
◽️Часть 4.1 Приемы анализа и оптимизации запросов
◽️Часть 5.1 Дополнительные средства некоторых баз данных
◽️Часть 5.2 Дополнительные средства некоторых баз данных

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