Практикум. Сортировка в SQL, ограничения
#почитать
▫️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
Durov said on his Telegram channel today that the two and a half year blockchain and crypto project has been put to sleep. Ironically, after leaving Russia because the government wanted his encryption keys to his social media firm, Durov’s cryptocurrency idea lost steam because of a U.S. court. “The technology we created allowed for an open, free, decentralized exchange of value and ideas. TON had the potential to revolutionize how people store and transfer funds and information,” he wrote on his channel. “Unfortunately, a U.S. court stopped TON from happening.”
The STAR Market, as is implied by the name, is heavily geared toward smaller innovative tech companies, in particular those engaged in strategically important fields, such as biopharmaceuticals, 5G technology, semiconductors, and new energy. The STAR Market currently has 340 listed securities. The STAR Market is seen as important for China’s high-tech and emerging industries, providing a space for smaller companies to raise capital in China. This is especially significant for technology companies that may be viewed with suspicion on overseas stock exchanges.
SQL для тестировщика from br