What is a look-up? - Abinitio

What is a look-up?


- A lookup file represents a set of serial files / flat files

- A lookup is a specific data set that is keyed.

- The key is used for mapping values based on the data available in a particular file

- The data set can be static or dynamic.

- Hash-joins can be replaced by reformatting and any of the input in lookup to join should contain less number of records with a slim length of records

- Abinitio has certain functions for retrieval of values using the key for the lookup
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