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Submitted Questions

Hashing algorithm

Asked By: vasanthsolai | Asked On: Mar 17th, 2008

Explain what is mean by hashing algorithm?

Answered by: veer.dwh on: Sep 23rd, 2009

Hashing alogarithm is used when you create hash files in server jobs. it takes key field and distribute records avilable cpus in DS sercver while running the DS job. the cpu utiliztion in this process may vary based on server configuration.

Regards,
Veeru.

Remove duplicates

Asked By: vasanthsolai | Asked On: Mar 17th, 2008

How to remove duplicates in datastage?

Answered by: dwh_com on: Jun 22nd, 2008

There are several ways in removing the duplicates depends on the data u have..

have to use stage variables effectively to remove the duplicates.

use rowprevious compare function.. which is available in datastage...


Regards
Sriks

Answered by: Suri123 on: May 9th, 2008

In parallel jobs by using sort stage Or Remove Duplicates stage We can remove duplicate records 


Regards
Suri

Job control and sequencer

Asked By: vasanthsolai | Asked On: Mar 17th, 2008

What is the difference between jobcontrol and sequencer?

Answered by: nagoosk on: Mar 18th, 2008

Jobcontrol: It just inserts the compilation code. Whenever you add the job it just places executable code there. There is no diagrammatical representation here.Sequencer: Sequencer is a diagrammat...

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