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Informatica Interview Questions
Questions Answers Views Company eMail

Write the unconnected lookup syntax?

1087

Write the unconnected lookup syntax and how to return more than one column.

1113

How do you remove duplicate records in informatica? And how many ways are there to do it?

1171

What is dimensional table? Explain the different dimensions.

1175

What are the types of caches in lookup?

1052

What are the types of caches in lookup? Explain them.

972

Differentiate between router and filter transformation?

1017

I have 100 records in source table, but I want to load 1, 5,10,15,20…..100 into target table. How can I do this? Explain in detailed mapping flow.

1712

What are the differences between oltp and olap?

976

What are the types of schemas we have in data warehouse and what are the difference between them?

946

Differentiate between reusable transformation and mapplet.

1102

Why update strategy and union transformations are active?

1051

What is meant by target load plan?

977

How to join three sources using joiner?

1122

How do you update the records with or without using update strategy?

1121


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Un-Answered Questions { Informatica }

What are some examples of informatica etl programs?

947


What is different between the data warehouse and data mart?

1073


Suppose on 1st Nov 2010 you had created a mapping which includes huge aggregator calculations and it is under process for next two days. You will notice that even on 3rd day also its still calculating. So without changing a logic or changing a mapping How will you troubleshot or to run that mapping? Explain the steps

2038


What are the components of Informatica? And what is the purpose of each?

1059


Design a mapping to get the pervious row salary for the current row. If there is no pervious row exists for the current row, then the pervious row salary should be displayed as null.

1296


Why do we need informatica?

1002


Whats there in global repository

1697


Differentiate between router and filter transformation?

1017


In how many ways we can create ports?

1127


What is a connected transformation?

1127


difference between informatica 8.1.1 and 8.6

3683


Explain load alternative records / rows into multiple targets - informatica

1160


Mention some types of transformation?

1048


what is mean by complex business rule ?

2163


What is dimensional table? Explain the different dimensions.

1175