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Практика по SQL: объединение двух таблиц

В этом ролике автор разбирает решение задачи с Leetcode по объединению двух таблиц, применяя оператор LEFT OUTER JOIN.

00:00 Leetcode
01:23 Описание задачи
02:53 Разработка SQL запроса
04:23 Запуск на тестовых данных
05:26 Отправка запроса на проверку

Смотреть это видео на youtube: youtu.be/EWjY8SOQBGk



tg-me.com/databases_secrets/1811
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Практика по SQL: объединение двух таблиц

В этом ролике автор разбирает решение задачи с Leetcode по объединению двух таблиц, применяя оператор LEFT OUTER JOIN.

00:00 Leetcode
01:23 Описание задачи
02:53 Разработка SQL запроса
04:23 Запуск на тестовых данных
05:26 Отправка запроса на проверку

Смотреть это видео на youtube: youtu.be/EWjY8SOQBGk

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Telegram Gives Up On Crypto Blockchain Project

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.”

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.

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