在默認下，MySQL在use databasename的時候，是不顯示連接的庫名！
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| hank               |
| mysql              |
| performance_schema |
| sakila             |
| test               |
| yoon               |
+--------------------+
7 rows in set (0.00 sec)
mysql> use yoon;
Database changed
mysql>
可通過以下方式，實現(xiàn)顯示連接的數(shù)據(jù)庫名：
[root@hank-yoon tmp]# mysql --prompt="\u(\d) >"
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 29
Server version: 5.6.26-log Source distribution
Copyright (c) 2000, 2015, 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((none)) >use yoon;
Database changed
root(yoon) >
如果想顯示連接的庫名和時間：
[root@hank-yoon tmp]# mysql --prompt="\u(\d) \R:\m:\s >"

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 30
Server version: 5.6.26-log Source distribution
Copyright (c) 2000, 2015, 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((none)) 15:20:08 >use yoon
Database changed
root(yoon) 15:20:16 >
也可以添加在my.cnf配置文件中，但是需要重啟DB，生產(chǎn)庫的話，可不是隨便能重啟，因此在連接的時候加上即可！
[mysql]
default-character-set = utf8
prompt = \\u(\\d) \\R:\\m:\\s > \

標題名稱：MySQL顯示連接的數(shù)據(jù)庫名-創(chuàng)新互聯(lián)
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