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Что такое денормализация?
Anonymous Quiz
Понятие, обратное нормализации: удаление избыточных ключей
Создание нормальных резервных копий БД
Удаление случайных аномальных ключей
Использование только вторичных ключей
Преобразование нормализованных данных обратно в менее нормализованную форму
Восстановление целостности поврежденных ключей
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SQL для тестировщика Telegram | DID YOU KNOW?

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What is Telegram?

Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.

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