Person表的数据如下:
随机获取表中1条数据:
1 SELECT * 2 3 FROM person 4 5 ORDER BY RAND()limit 1;
执行结果:
随机获取表中2条数据:
1 1 SELECT * 2 2 3 3 FROM person 4 4 5 5 ORDER BY RAND()limit 2;