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
In recent times, Telegram has gained a lot of popularity because of the controversy over WhatsApp’s new privacy policy. In January 2021, Telegram was the most downloaded app worldwide and crossed 500 million monthly active users. And with so many active users on the app, people might get messages in bulk from a group or a channel that can be a little irritating. So to get rid of the same, you can mute groups, chats, and channels on Telegram just like WhatsApp. You can mute notifications for one hour, eight hours, or two days, or you can disable notifications forever.
Telegram is riding high, adding tens of million of users this year. Now the bill is coming due.Telegram is one of the few significant social-media challengers to Facebook Inc., FB -1.90% on a trajectory toward one billion users active each month by the end of 2022, up from roughly 550 million today.
SQL для тестировщика from cn