You can create a session to extract data from flat file, COBOL, or XML sources. When you create a session to read data from a file, you can configure the following information in the session properties:
You can define source properties on the Properties settings in the Sources node, such as source file options.
Flat file properties.
You can edit fixed-width and delimited source file properties.
Line sequential buffer length.
You can change the buffer length for flat files on the Advanced settings on the Config Object tab.
Treat source rows as.
You can define how the Integration Service treats each source row as it reads it from the source.