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AlexMcowkin/not_unique.sql

Created August 8, 2018 14:49
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SQL: выбор не уникальных (повторяющихся) значений из таблицы
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not_unique.sql
CREATE TABLE `post` (
`id` int(11) NOT NULL,
`name` varchar(100) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
//----------------------------------------
SELECT id, name FROM post WHERE id IN (SELECT id FROM post GROUP BY id having count(id) > 1) ORDER BY id;
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