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Informatica Interview Questions
Questions Answers Views Company eMail

What is hash partition?

2 5943

How can you define a transformation? What are different types of transformations in Informatica?

10 20432

What is query panel?

1 4264

What is a look up function? What is default transformation for the look up function?

ASM, TCS,

2 14943

What is difference between a connected look up and unconnected look up?

6 21689

What is staging area?

11 20299

What is data merging, data cleansing and sampling?

Satyam,

6 18817

What is up date strategy and what are the options for update strategy?

2 8384

Why do we use DSS database for OLAP tools?

2 4961

What is active and passive transformation?

10 35032

What is an MDDB? What is the difference between MDDBs and RDBMSs?

3 16037

How is Data Models Used in Practice?

1 4072

What is the difference between view and materialised view?

4 10446

What is data quality? How can a data quality solution be implemented into my informatica transformations, even internationally?

IBM, Wipro,

2 18612

What is the approximate size of data warehouse?

Accenture, i3 Solutions,

6 33315


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Un-Answered Questions { Informatica }

What is event and what are the tasks related to it?

169


where to store informatica rejected data?

183


How many ways are there to create ports?

232


i had a source containing business,sales,details column and i have to load it to a target but i have some bad records in it , but i have to load 70% of business records and 50% of sales and 95% of details records excluding bad records to achieve this what should be done and what all logic and tx should be used can anyone help? thanks in advance

1261


How can one identify whether mapping is correct or not without connecting session?

220






can we override a native sql query within informatica? Where do we do it?

172


wf dont have integration severances how you can run?

1110


Explain about Informatica server process that how it works relates to mapping variables?

213


differences between service based and product based?

1153


Define pmcmd command?

203


Quickly characterize reusable change?

184


How might you approve all mappings in the archive all the while?

164


How do we call shell scripts from informatica?

184


Explain pushdown optimization $pushdownconfig parameter - informatica

223


What is joiner change?

184