SQL задачи@sqlquestions P.1418

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SQL задачи@sqlquestions P.1418

SQLQUESTIONS Telegram 1418

SQL задачи

Какого из перечисленных ниже видов JOIN на самом деле не существует?

Anonymous Quiz

LEFT JOIN – выводит все записи первой таблицы, а для ненайденных пар проставляет значение NULL

RIGHT JOIN – выводит все из 2-ой таблицы, а на место недостающей информации проставляет NULL

INNER JOIN – показывает только те записи, для которых нашлись пары

TRUE JOIN – выводит все истинные значения

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