[摘要]+-------+------------+----------------------------------+----------+--------------+-----------+1 ro...
+-------+------------+----------------------------------+----------+--------------+-----------+1 row in set (0.25 sec)mysql> explain select * from user order by rand() limit 1;
+----+-------------+-------+------+---------------+------+---------+------+--------+---------------------------------+(北联网教程,专业提供视频软件下载)
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