how to achieve delta logic/CDC in fixed width files

[Anonymous]

Hi Team,

i want to implement CDC on incoming file.

My input is fixed width file having 4 fields such as firstname,lastname,rundate & address.

If any change in address update the address field.

how can this be achieved? any help is highly appreciated.

[TRF]

Changed compared to what?
Previous record?
Other source file?

[Anonymous]

Hi,

Thanks for your response.

Answers given inline.

Changed compared to what?

Ans:Another file ( my input is a fixed width file) which has the same structure & data as the previous days file.
Previous record?

Ans:My input is fixed width file having 4 fields such as firstname,lastname,rundate & address.

If any change in address update the address field.

Other source file?

Ans:Yes. another file.

Hope i have made the requirement clear. If not please let me know.