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CREATE TABLE tablename ( `user_id` INTEGER, `date` DATETIME, `value` INTEGER ); INSERT INTO tablename (`user_id`, `date`, `value`) VALUES ('1', '2021-04-01 12:00:00', '350'), ('1', '2021-04-02 12:00:00', '400'), ('1', '2021-04-03 12:00:00', '450'), ('5', '2021-04-04 12:00:00', '560');
Records: 4 Duplicates: 0 Warnings: 0
SELECT user_id, GROUP_CONCAT(value ORDER BY date) = GROUP_CONCAT(value ORDER BY value) value_is_increasing FROM tablename GROUP BY user_id HAVING COUNT(*) > 1 AND COUNT(*) = COUNT(DISTINCT value)
user_id
value_is_increasing
1
1