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Zensar Informatica Interview Questions
Questions Answers Views Company eMail

What are the associated ports in look up T/R.

 5 23643

Is there any model difference between ODS and DWH

 2 6138

Hi I have two sources like A, B. My source A contain 10000 million records from that i need 20 attributes. My source B has also same 10000 million records from that i need only 1 attribute. By using Joiner i have to load into target? Is there any issue regarding this? if issue is there how to tune this mapping in best way?

 2 5886

What is the grain level in DWH? If i have year to day. what is the grain level of DWH from year to day.

 1 6383

How you count the number of records available at your source?

 3 13018

my source has 2 columns. 1st column data: ABC ABC ABC XYZ and 2nd column data: 1 2 3 4. And my target should be ABC 1 2 3, XYZ 4

 2 6247

can any one give some examples for pre sql and post sql(Except dropping and creating index).

 3510

What happens if we dont select data driven option?

 2 6419

how we can add header and footer to flat files?

 2 13987

how can we find the bottle neck in SQL Query in SOURCE QUALIFIER, and how can we tune it..?

 2 5810

What are the disadvantages of Sequence Generator T/R?

 3 15054

Can we insert ,update ,delete in target tables with one update strategy tran.?

 2 10463

why we use materialized view over view?

 1 4482

can session assigned multiple mappings or not?

 2 7090

what is hash table in informatica?

 1 6180

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Un-Answered Questions

How can a string be converted to a number?

517

Is file a keyword in c?

503

What is the UNIX command of all display server processes?

494

Do I need angular?

377

How do I enforce const correctness in c#?

532




Why is respiration considered as an exothermic reaction? Explain?

563

What is cognos connection?

589

What is meant by hashing?

469

distance between the power generation and the distribution to the application is fixed or vary

1415

Is it possible to split authorization?

5

How does hdfs provides good throughput?

30

What happens when we move a comp-3 field to an edited (say z (9). Zz-)?

778

What is co-chromatography?

714

Do you have a favourite QA book? More than one? Which ones? And why.

2839

Provide some important Struts2 constants that you have used?

565