Securities - specification for the format and structure of names and addresses used in securities transactions for the business of registrars 证券.用于证券交易管理登记业务的名字和地址的格式和结构规范
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A flat file source is a data flow component that uses metadata defined by a flat file connection manager to specify the format and structure of the data to be extracted from the flat file by a transform process 平面文件源是一个数据流组件,它使用平面文件连接管理器定义的元数据来指定转换过程要从此平面文件中提取的数据的格式和结构。