База: основные команды SQL
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▫️Рассмотрим основные команды SQL, включая агрегатные функции и вложенные подзапросы.
▫️Данная статья будет полезна тем, кто хочет освежить свои знания по SQL перед собеседованием на работу.
▫️В примерах используется MySQL.
BY SQL для тестировщика
The messaging service and social-media platform owes creditors roughly $700 million by the end of April, according to people briefed on the company’s plans and loan documents viewed by The Wall Street Journal. At the same time, Telegram Group Inc. must cover rising equipment and bandwidth expenses because of its rapid growth, despite going years without attempting to generate revenue.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
SQL для тестировщика from tr