Практикум. Сортировка в SQL, ограничения
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▫️Ограничение NOT NULL
▫️Первичные ключи
▫️Создаем другие таблицы
▫️Отношения (relationships)
▫️Ограничения-проверки
▫️Пробелы и отступы
▫️Комментарии
▫️Особенности MySQL
▫️Заполнение данными
▫️Выбираем данные из отдельных столбцов
▫️Сортировка ORDER BY
BY SQL для тестировщика
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SQL для тестировщика from cn