If you set link to null, a new database connection is created.
如果将link设为null，就会创建一个新的数据库连接。
You can set link as a reference to an existing database connection link or object.
而link则可被设为对现有数据库连接或对象的一个引用。
Click the JMS connection factory link, and then New. Enter these values.
单击JMSconnectionfactory链接，然后单击new。
Something that serves to link or join; a connection.
连接物提供连接或结合的事物；
Holiday Inn's connection to its guests is revealed in every link of its service.
假日酒店时时刻刻将自己与客人联系在一起，将服务渗透到每一环。
Holiday Inn's connection to its guests is revealed in every link of its service.
假日酒店时时刻刻将自己与客人联系在一起，将服务渗透到每一环。
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