根.本

mysql> desc student_info; [color=blue] +-------+-------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------...

1.把表中所有的数据倒序排列，而后取第一条数据。 mysql> [size=large][b]select * from student_info order by id desc limit 1;[/b][/size] +----+------+-------+------+ | id | name | tel | pas | +----+------+-------+----...