本章包括以下内容：
- Creating a New Database Connection
- Editing a Connection
- Duplicating a Connection
- Copying to a Clipboard
- Deleting a Connection
- Executing SQL Commands on a Connection
- Clearing the Database Cache Option
- Quoting
- Database Usage Grid
- Configuring JNDI Connections
- Unsupported Databases
第一步：创建一个数据库连接，
图形操作界面如下：
出来的对话框，包括以下内容：
1)General
| Feature | Description |
|---|---|
| Connection Name | Uniquely identifies a connection across transformations and jobs |
| Connection Type | Type of database you are connecting to (for example, MySQL, Oracle, and so on) |
| Method of access | This will be either Native (JDBC), ODBC, or OCI. Available access types depend on the type of database you are connecting to |
| Server host name | Defines the host name of the server on which the database resides. You can also specify the host by IP-address |
| Database name | Identifies the database name you want to connect to. In case of ODBC, specify the DSN name here |
| Port number | Sets the TCP/IP port number |
| Username | Optionally specifies the user name to connect to the database |
| Password | Optionally specifies the password to connect to the database |
累死，配置连接到sql2008，发现是tcp/ip协议禁用；sql browser没有运行，还是对sql不熟悉啊。
2）Advanced
3）options
4）pooling
是否启用连接池。
5）clustering