充实：通过添加来自外部数据源的信息(如由中介定义的自定义参数或者来自数据库查询的自定义参数)来增加消息的有效负载。
Enrich: Augments the message payload by adding information from external data sources, such as customization parameters defined by the mediation, or from database queries.
由于这两个查询都用参数，因此需要通过将sql语句粘贴到JDBC数据源编辑器的Advance d方框中来创建。
Because both of these queries use parameters, you need to create them by pasting the SQL statements into the Advanced box of the JDBC feed editor.
“参数化数据源”命令还将在窗体上创建控件，以供输入参数值和执行查询。
Parameterize Data Source command also creates controls on your form to input the parameter values and execute the query.
“参数化数据源”命令还将在窗体上创建控件，以供输入参数值和执行查询。
Parameterize Data Source command also creates controls on your form to input the parameter values and execute the query.
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