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想必大家在命令行操作mysql的时候会十分发愁现在的操作的是那个数据库吧，至少我就纠结过，可能您会说我打一条命令不就知道了，是的这样做确实可以的。
可是今儿给大家介绍个好用的命令--prompt
[root@fsailing1 ~]# mysql -uroot -p --prompt="\\u@\\h:\\d \\r:\\m:\\s>" Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 378 Server version: 5.0.95 Source distribution
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
root@localhost:(none) 08:23:32>use test;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
root@localhost:test 08:23:44>exit;
这样做的好处就是让我们大家在操作数据库时更加方便快捷。
您也可以在在my.cnf配置文件里进行配置：
[mysql] prompt=mysql(\\u@\\h:\\d)>
default-character-set=utf8
[root@fsailing1 ~]# vim /etc/my.cnf [root@fsailing1 ~]# service mysqld restart 停止 MySQL： [确定] 启动 MySQL： [确定] [root@fsailing1 ~]# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.0.95 Source distribution
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql(root@localhost:(none))>use test;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql(root@localhost:test)>
这里也给出需要的一些个选项供大家参考。
| Option |
Description |
\c |
A counter that increments for each statement you issue |
\D |
The full current date |
\d |
The default database |
\h |
The server host |
\l |
The current delimiter (new in 5.1.12) |
\m |
Minutes of the current time |
\n |
A newline character |
\O |
The current month in three-letter format (Jan, Feb, …) |
\o |
The current month in numeric format |
\P |
am/pm |
\p |
The current TCP/IP port or socket file |
\R |
The current time, in 24-hour military time (0–23) |
\r |
The current time, standard 12-hour time (1–12) |
\S |
Semicolon |
\s |
Seconds of the current time |
\t |
A tab character |
\U |
Your full user_name@host_name |
\u |
Your user name |
\v |
The server version |
\w |
The current day of the week in three-letter format (Mon, Tue, …) |
\Y |
The current year, four digits |
\y |
The current year, two digits |
\_ |
A space |
\ |
A space (a space follows the backslash) |
\' |
Single quote |
\" |
Double quote |
\\ |
A literal “\” backslash character |
\x |
x, for any “x” not listed above
| | 
转播
