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📺 Свежий курс по SQL на русском языке

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Обучающий видеокурс по SQL. Более 9 часов видео

▫️SQL — cмысл, основы, знакомство, протокол, взаимодействие в базой
▫️Архитектура БД, знакомство с SQLite, язык SQL, основные команды
▫️Первичные ключи, изменение таблиц, удаление таблиц/столбцов
▫️Внешние ключи
▫️Соединение таблиц (join), псевдонимы, агрегирующие функции, практика
▫️Группировка, аггрегация и фильтрация в группировке, подзапросы
▫️Частичная выборка/вставка, distinct, order by, limit, подзапросы
▫️Самостоятельная работа, дополнения про фильтрацию, даты

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SQL для тестировщика Telegram | DID YOU KNOW?

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Telegram has exploded as a hub for cybercriminals looking to buy, sell and share stolen data and hacking tools, new research shows, as the messaging app emerges as an alternative to the dark web.An investigation by cyber intelligence group Cyberint, together with the Financial Times, found a ballooning network of hackers sharing data leaks on the popular messaging platform, sometimes in channels with tens of thousands of subscribers, lured by its ease of use and light-touch moderation.

At a time when the Indian stock market is peaking and has rallied immensely compared to global markets, there are companies that have not performed in the last 10 years. These are definitely a minor portion of the market considering there are hundreds of stocks that have turned multibagger since 2020. What went wrong with these stocks? Reasons vary from corporate governance, sectoral weakness, company specific and so on. But the more important question is, are these stocks worth buying?

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Telegram SQL для тестировщика
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