First, independent schema definition is important. 首先独立的格式定义是重要的。
The Flat File source can be configured to extract data from a single flat file by using the file format definition provided by the Flat File connection manager. 可以通过使用平面文件连接管理器提供的文件格式定义将平面文件源配置为从单个平面文件提取数据。