What is the difference between look-up file and look-up, with a relevant example?

Interview Candidate
Sep 5th, 2005
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SandeepSingh

Sep 5th, 2005

Generally Lookup file represents one or more serial files(Flat files). The amount of data is small enough to be held in the memory. This allows transform functions to retrive records much more quickly than it could retrive from Disk.

i have No general idea about lookup.

siddharth ranga

Sep 29th, 2005

A lookup is a component of abinitio graph where we can store data and retrieve it by using a key parameter.
A lookup file is the physical file where the data for the lookup is stored.