mysql 随机取数据
2020-02-25 本文已影响0人
jiezzy
SELECT * FROM table
WHERE id >= (SELECT floor( RAND() * ((SELECT MAX(id) FROM table
)-(SELECT MIN(id) FROM table
)) + (SELECT MIN(id) FROM table
)))
ORDER BY id LIMIT 1;
SELECT *
FROM table
AS t1 JOIN (SELECT ROUND(RAND() * ((SELECT MAX(id) FROM table
)-(SELECT MIN(id) FROM table
))+(SELECT MIN(id) FROM table
)) AS id) AS t2
WHERE t1.id >= t2.id
ORDER BY t1.id LIMIT 1;