mysqldump -uroot -prootroot student >E:student.txt

mysqldump -uroot -prootroot student >E:student.txt

在dos下 ，输入上述mysql语句，始终无法跳出，

mysql> mysqldump -uroot -prootroot student >E:student.txt
--------------
mysql  Ver 14.14 Distrib 5.7.17, for Win32 (AMD64)

Connection id:          27
Current database:       student
Current user:           root@localhost
SSL:                    Not in use
Using delimiter:        ;
Server version:         5.7.17-log MySQL Community Server (GPL)
Protocol version:       10
Connection:             localhost via TCP/IP
Server characterset:    gb2312
Db     characterset:    gb2312
Client characterset:    gb2312
Conn.  characterset:    gb2312
TCP port:               3306
Uptime:                 3 days 14 hours 10 min 37 sec

Threads: 2  Questions: 136  Slow queries: 0  Opens: 116  Flush tables: 1  Open tables: 104  Queries per second avg: 0.000
--------------

    -> 

经常出现此状况，无法跳出；   疑惑

输入；后，就提示如下：

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'mysqldump -uroot -prootroot student >E:tudent.txt
,' at line 1

不解；烦请园友们，帮忙解决？