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Что означает NULL в SQL-выражениях
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NULL - это не ноль, это пустота, объясняет на практических примерах Ольга Киселева.
tg-me.com/sql_for_qa/367
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Date: | SQL для тестировщика
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
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