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Solution to ORDER BY RAND()
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-- Option 1 | |
SELECT * | |
FROM title t | |
WHERE kind_id = 1 AND id >= FLOOR(1 + RAND() * (SELECT MAX(id) FROM title)) LIMIT 1; | |
-- Option 2 | |
SELECT id, title | |
FROM title t RIGHT JOIN | |
(SELECT CEIL(RAND() * (SELECT MAX(id) FROM title WHERE kind_id = 1)) AS id) h USING (id); |
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