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В каком примере оператор CROSS JOIN применен правильно?
Anonymous Quiz
SELECT * FROM table1 CROSS JOIN;
SELECT * FROM table1 CROSS JOIN table2 ON table1.id = table2.id;
SELECT * FROM table1 CROSS JOIN (SELECT col FROM table2);
SELECT * FROM table1 CROSS JOIN table2 USING (id);
SELECT * FROM table1 CROSS JOIN table2;
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SQL для тестировщика Telegram | DID YOU KNOW?

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Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.

To pay the bills, Mr. Durov is issuing investors $1 billion to $1.5 billion of company debt, with the promise of discounted equity if the company eventually goes public, the people briefed on the plans said. He has also announced plans to start selling ads in public Telegram channels as soon as later this year, as well as offering other premium services for businesses and users.

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