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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?

2152

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

2912

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 14707

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

4 23450

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

2 7322

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 4880

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

2 13822

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?

2213

why we are using level option in normalizer transformation

1 6805

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 8189

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

1 8526

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

3 16603

can you use flat file for repository?why?

2 7170

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 9446

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

2 9259

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TCS Informatica Interview Questions

TCS Informatica Interview Questions (274)

Un-Answered Questions

what is sweeper in Rails?

868

How do I get a list of all files (and directories) in a given directory in Python?

816

What is the one-way mode in wcf?

762

What do you mean by a scala map?

Why do we need ado.net?

913

What is row and column in excel 2007?

609

Why we use chaining in jquery?

779

What is meant by the statement that 8085 is a 8 bit microprocessor?

1097

What are the Inheritance types?

560

Write short notes on Post transplant immunosuppression?

781

Q.3. One of the serious problems faced by the Public Enterprise Management in our country is that: (a). Very little managerial autonomy. (b). More bureaucratization (c).Excessiveinvestment. (d). Excess of accountability.

2180

What is metallic fibers?

How Many Types Of Streams Are Present In Node?

460

What are javascript closures?

987

Explain PI - Process Integration?

444