该数据定义文件是一个以。ttx为扩展名的、有标记界限的文本文件，良好地展现了表结构。
This data definition file is a tab-separated text file, with a.ttx file extension (TTX), that is an outline of a table structure.
包含关于定义的联邦过程的信息，比如数据源名、远程过程名、远程模式名。
Contains information about Federated Procedures that you defined such as the data source name, remote procedure name, remote schema name.
这是服务器上数据源定义所使用的相同jndi名(图11)。
This is the same JNDI name that is used in the data sources definition on the server (Figure 11).
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