作/译者：叶金荣（Email: ），来源：http://imysql.cn，转载请注明作/译者和出处，并且不能用于商业用途，违者必究。

(root:hostname:Thu Oct 15 09:15:38 2009)[mysql]> grant usage on *.* to yejr@localhost identified by 'ye\\\jr';
Query OK, 0 rows affected (0.02 sec)
(root:imysql.cn:Thu Oct 15 09:16:22 2009)[mysql]> select password('ye\jr');
+-------------------------------------------+
| password('ye\jr')                         |
+-------------------------------------------+
| *9DB91006131E32B22135599033C6A9C196EC3C6B |
+-------------------------------------------+
1 row in set (0.00 sec)
(root:imysql.cn:Thu Oct 15 09:23:32 2009)[mysql]> select host,user,password from user where user='yejr';
+-----------+------+-------------------------------------------+
| host      | user | password                                  |
+-----------+------+-------------------------------------------+
| localhost | yejr | *F06D79D5F57894772B64BF3164ABB714EBDBD3E2 |
+-----------+------+-------------------------------------------+
1 row in set (0.01 sec)
(root:imysql.cn:Thu Oct 15 09:16:28 2009)[mysql]> select password('ye\\\jr');
+-------------------------------------------+
| password('ye\\\jr')                       |
+-------------------------------------------+
| *F06D79D5F57894772B64BF3164ABB714EBDBD3E2 |
+-------------------------------------------+
1 row in set (0.01 sec)
[@tc_10.11.54.224_cnc ~]# mysql -uyejr -p'ye\jr'
Logging to file '/home/mysql/query.log'
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 63
Server version: 5.x.x-percona-highperf-x-log MySQL Percona High Performance Edition (GPL)
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
(yejr:imysql.cn:Thu Oct 15 09:24:58 2009)[(none)]> Bye