DataStage - Why the sequential file not used in Hash Lookup?

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Why the sequential file not used in Hash Lookup?

Total Answers and Comments: 3

Last Update: February 29, 2008 Asked by: Vasanth.K

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September 25, 2007 13:04:45

rashmi

RE: Why the sequential file not used in Hash Lookup?

This question is not proper but here is a answer
Because sequential file has no key. sequential file are converted in a hash file and hashed file are used as a hash Lookup.

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February 12, 2008 04:37:23

manoharkolukula

Member Since: January 2008 Contribution: 32

RE: Why the sequential file not used in Hash Lookup?

Hi Rashmi

Can u please tell me ur telling about server jobs or parallel jobs.

If it is server jobs means seq file can't be used as lookup(ref link) bcoz it doesn't accept that link only hash file is used for lookup.

whereas in parallel we can use oracle seq dataset fileset .. as a ref links(for lookup)

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February 29, 2008 00:00:18

vdr123

Member Since: February 2008 Contribution: 1

RE: Why the sequential file not used in Hash Lookup?

Hash files are available only on DS-Server

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