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Informatica Interview Questions
Questions Answers Views Company eMail

Explain the difference between a data warehouse and a data mart?

1056

What is an expression transformation?

1016

What is an aggregator transformation?

1096

Explain the informatica workflow?

1069

What is rank transform?

997

Mention some types of transformation?

1048

What is a router transformation?

1129

What are the popular informatica products?

1012

What is a dimensional model?

979

What are the differences between a connected lookup and unconnected lookup?

1070

What is the command used to run a batch?

1062

Differences between connected and unconnected lookup?

1218

Under what conditions selecting sorted input in aggregator will still not boost session performance?

1079

What is a joiner transformation and why it is an active one?

1080

Which development components of informatica have the highest usage?

1043


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Un-Answered Questions { Informatica }

If I have 10 flat files with same name abc.txt files with different timestamps as source I need to load them in tgt table oracle. in between job execution fails and rows are not loaded into tgt. how can I make them load in that target even if my job fails?

1497


What is intricate mapping?

1202


What are the restrictions of union transformation?

1041


Explain incremental aggregation in informatica

1130


How is Source Side push down optimization different to just providing a SQL override in Source qualifier transformation.

1776


How can we use mapping variables in informatica? Where do we use them?

1200


What is the commit type if you have a transaction control transformation in the mapping?

1030


Under what condition selecting sorted input in aggregator may fail the session?

1125


Define sessions in informatica etl?

1034


How do you set a varible in incremental aggregation

1891


What is workflow? What are the components of workflow manager?

1177


What are different types of transformations available in informatica?

991


What is a sorter transformation?

1102


What is the scenario which compels informatica server to reject files?

1070


What is the need for an etl tool?

1068