SELECT FLOOR(RAND() * 99999) AS random_num
FROM numbers_mst
WHERE "random_num" NOT IN (SELECT my_number FROM numbers_mst)
LIMIT 1
这是做什么的:
如何使用PHP在数据库中重复生成随机数?
SELECT FLOOR(RAND() * 99999) AS random_num
FROM numbers_mst
WHERE "random_num" NOT IN (SELECT my_number FROM numbers_mst)
LIMIT 1
这是做什么的: