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SQL для тестировщика

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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