Data Stage Developer Interview Questions


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Data Stage Developer/Programmer was asked...December 9, 2020

perchè è meglio un ciclo for o perchè un ciclo while

2 Answers


Potresti descrivere nel dettaglio il colloquio tecnico successivo al corso? Grazie in anticipo per la tua valutazione. Less



1 Answers

Datastage design, development, partitioning sorting and questions on performance tuning Less


What is parallelism? Multiple processors run the job to increase the performance of the DataStage job, These are two types 1.pipeline parallelism 2.partition parallelism

1 Answers



1. About current project and client 2. Datastage technical questions on SCD2, Datasets, scenario based questions, Aggregate, Lookup etc stages.

1 Answers

1. Explained about current project in detail. 2. Technical questions were simple. However one who has really worked on the tool can answer. Not from online Q-A lists. Less

Cognitive Logics

Interview is based on my previous experience and technical question on Unix, IBM Datastage , DB2 , Sybase and Oracle.

1 Answers

Interview went well, i answered most of question


how to remove duplicates without using duplicate stage

1 Answers

two case scenarios to test your logic

Cognizant Technology Solutions

How many parameter sets in datastage?

1 Answers

There are 3 parameter sets, each parameter consists Elements 1.job parameter parameter 3.local parameter Less


what is SCD and its types

1 Answers

simple sql queries that use between


Coding game ( algorithm questions)


Datastage: Explain sparse lookup.

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