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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?

 2211

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

 2991

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 15012

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

 4 23671

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

 2 7454

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 4973

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

 2 14009

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?

 2264

why we are using level option in normalizer transformation

 1 6940

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 8365

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

1 8625

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

 3 16742

can you use flat file for repository?why?

 2 7292

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 9623

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

 2 9410

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TCS Informatica Interview Questions


Un-Answered Questions

Print the 10th line without using tail and head command.

2177

Give me some null interfaces in java?

1060

How to load data from external tables to regular tables?

1062

What are the maintenances of SCADA ?

2144

What is a year dependent fiscal year variant ?

1180

Sketch a pictorial diagram of angular architecture.

825

calculate the quantity of cement ,sand,bars and aggregate used for 28*4 ft with 4 inch (125mm) thick

1802

Why deleted files can be recovered?

944

How many types of reports can be generated using testdirector?

1196

Why the power factor improvement is so important in industrial loads

2040

What is the shortcut to delete a formula in excel?

740

how agile testing is performed and what are the related documents.

1870

Explain The Use Of Media Queries In The Bootstrap Framework?

5

EXPAND______________ICC

2198

Explain differences between foundation and corefoundation

843