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TCS Informatica Interview Questions

Questions Answers Views Company eMail

Can we change Dynamic to Static or Persistent cache? If so what happens?

2164

What is Java Transformation? what are the uses of it?

2932

Create a mapping which contains 2 target tables. When the session runs for the first time it shud load Target table 1 and when it runs for second time it shud load Target table 2.

7 14769

Can we update a target table (without primarykey) by using update strategy transformation?

4 23502

What is the main purpose of Unconnected lookup other than updating slowly changing dimensions? or In which case u use Unconnected lookup?

2 7357

Aggregator transformation is having fields say a,b,c,d,e group by is enabled on a,b,c with sorted input,How the aggregator transformation process the i/p data?or in which way i/p comes to agg transformation

1 4901

Which one is better performance wise connected/un-connected lkp?why?

2 13860

One of the optimizing technique to improve the session performance is push down optimization,by using push down optimization we push as much as transformation logic to source/target database,but this degrades the d/b performance,how to overcome this?

2223

why we are using level option in normalizer transformation

1 6833

following source name gender ramya female ram male deesha female david male kumar male i want the target male female ram ramya david deesha kumar any body give solution above question?

4 8233

difference between informatica 8.1.1 and 8.6? And different betweeninformatica 7x and 8x?

1 8546

how the informatica server sorts the strings values in rank transformations?

3 16639

can you use flat file for repository?why?

2 7198

source table A having 100000 records. and target B table having 100000 records. now iam updating B records using update query. i don't know which record is update in target. write a sql query get all updated records from target table B.

4 9488

When will u go for Dynamic Cache and Persistent Cache? Pls explain with an example?

2 9290

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TCS Informatica Interview Questions

TCS Informatica Interview Questions (274)

Un-Answered Questions

How NameNode tackle Datanode failures in HDFS?

What is a foreign key example?

733

Is it possible to remove old files in the movechunk directory?

What is meant by servlet? What are the parameters of the service method?

983

Is python better than php?

971

tell me something about your family?

1066

Optimization technique description ?

2136

What are Characteristics of R Hierarchical Clustering?

183

Hi, we are not a VAT register and raised not VAT bill to company for signage material. they are deducting WCT @4%, can anybody help me why they are deducting WCT while i am not a VAT register vendor, as i do not cross threshold limit.

1841

Explain the different types of join operations?

987

i m a B.E,passed out few yrs bak failed to find good job due to less marks now thinkin of a career as PHP developer. is it a lucarative field and wat r career prospects; hv heard dat initial salary is very less bout 6k also most jobs r contrct jobs.pls guide me need ur valuable advice.pls hellppp!! thnx..

2106

What is the difference between .net 2000 and .net 2005(features)? Which one is better?

936

which two are symbol options when converting an object into a symbol? : Adobe flash

1050

Does the rate increase by experience or number of years worked?

1004

List non –mm objects that must be replicated in srm system.

864