You are working with interfaces if client doesnot give any
flat then what will u do?

Answer Posted / shashi

In practical scenario, we usually get the interface data in
flat file during the QA testing phase of the project.
During the Initial Development the Developer will create a
sample data flat file based on the technical design
document data mapping layout for unit testing of the code.
This code will be fine tuned based on the actual flat file
received from the client for testing.

There will be less code changes if the client communicates
the exact columns/lengths and their positions in the flat
file to the functional/technical designer.

Lot of interface data/code errors are due to
miscommunication between the
client/Business representative
==> Functional Design Document
==> Technical Design Document
==> Final Interface Code

Thanks,
Shashi

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