SSIS - How to prepare flat file source for fixed width format?

SSIS怎样准备固定宽度格式的平面文件源？

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How can I add a GUID column in SSIS from a Flat File source before importing to a SQL Table?

我如何添加一个GUID列在SSIS从一个平面文件源导入到一个SQL表吗？

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The control flow has one data flow for each table, each data flow reading data from a flat file source and writing to the SQL Server database via OLEDB.

通过OLED B控制流为每一个表存在一个数据流，每一个数据流读平面文件数据，并写回s QL Server数据库。

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