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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?

2908

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 14701

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

4 23444

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

2 7318

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 4879

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

2 13819

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?

2210

why we are using level option in normalizer transformation

1 6801

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 8186

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

1 8525

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

3 16600

can you use flat file for repository?why?

2 7169

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 9445

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

2 9258

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TCS Informatica Interview Questions

TCS Informatica Interview Questions (274)

Un-Answered Questions

Explain what is a good way to get started in doing a plant-wide steam consumption analysis?

945

How you find which is the latest record in SCD type2 transformation?

545

Which database is the ado.net?

916

Who is the founder of css & when css3 released?

602

What are the benefits of rpa?

227

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.

1833

List out the components of logical database structure of oracle database.

986

What is an analogy for microtubules?

1044

What is raid? : SQL Server Architecture

1106

How do I migrate my wordpress site?

176

By using which bw palette we can create db table?

967

Dear, any body give me MIS repor - excel sheet format for share trading purpose.

2115

What is the difference between the local container and shared container?

1043

What is menu/ directory?

890

What are the sources through which communication can be done? : insurance cold calling

557