一个 mysql server 上的小技巧

转自http://www.linuxbyte.org/yi-ge-mysql-server-shang-de-xiao-ji-qiao.html
在my.cnf 的 mysql 端 添加如下设置
[mysql]
#no-auto-rehash # faster start of mysql but no tab completition
prompt="(\u:mysql1@linuxbyte.org \R:\m)[\d]: "
会产生如下效果:
root@ubuntu:/home/hew# mysql -u hew -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 320
Server version: 5.1.41-3ubuntu12.1 (Ubuntu)
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
(hew:mysql1@linuxbyte.org 21:12)[(none)]: use linuxbyte #注意这里
 
Database changed
 
(hew:mysql1@linuxbyte.org 21:13)[linuxbyte]: use linuxsky; #这里
 
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
 
(hew:mysql1@linuxbyte.org 21:13)[linuxsky]: #这里
如上所示我们可以在mysql命令行下显示当前的mysql 用户，所在主机，时间和所用的数据库。
这个在关键时刻可以让我们避免很多误操作。