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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?

 2219

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

 3004

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 15039

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

 4 23694

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

 2 7465

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 4988

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

 2 14025

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?

 2268

why we are using level option in normalizer transformation

 1 6955

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 8376

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

1 8637

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

 3 16760

can you use flat file for repository?why?

 2 7301

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 9637

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

 2 9425

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TCS Informatica Interview Questions


Un-Answered Questions

Explain sqlconnection object?

1016

What is the chromosome number of Ginkgoes?

2223

What are the major differences between Thread and Process?

1384

Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?

1174

How do Merge subscriptions work?

2185

What do you understand by unique key?

996

Can we share a process between windows services?

733

How to initialize a driver in codeigniter?

659

Is array an object javascript?

958

What are catalog tables in db2?

1056

How a modifier is similar to mutator?

1193

What is Overfitting and Underfitting and how to combat them?

5

What are different types of jit ?

1067

Why is it called excel?

664

What do you mean by a file path?

1000