Мини-курс по SQL от Евгении Егоровой. Курс еще обновляется, но уже есть 10 уроков (около 2х часов видео).
▫️Клиент-серверная архитектура
▫️Балансировщик нагрузки
▫️Вид и модели БД
▫️Виды связей в базах данных
▫️Ключи в базах данных
▫️Моделируем базу данных. Пример
▫️Типы данных в базах данных
▫️Установка MySQL и MAMP
▫️Типы SQL операторов
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BY SQL для тестировщика
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
The lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.
SQL для тестировщика from ru