What is meant header and tailer, suppose header and tailer
had some junk data how will delete junk data ? which
components r used?
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Answer Posted / guillermo villarreal
It is very common is DW environments to get source files
with header a trailers. Headers are commonly used to get
the Date of the file and trailers as control with the
number of detail records. Normally you have to make sure
you got the trailer to make sure you haven't received
source files partially
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