Informatica Interview Questions
Questions Answers Views Company eMail

why dimenstion tables are denormalized in nature ?

3 8957

What is the use of incremental aggregation?

2 9506

What is the procedure to load the fact table.Give in detail?

1 8437

what is a junk dimension ?

Atos Origin, Cognizant, HS, NIIT, TCS,

14 60257

What is the difference between Normal load and Bulk load?

5 49525

Discuss the advantages & Disadvantages of star & snowflake schema?

5 45717

what is a time dimension? give an example?

IBM,

2 11971

What are the reusable transforamtions?

1 4616

What is aggregate cache in aggregator transforamtion?

5 8877

What are the basic needs to join two sources in a source qualifier?

3 6686

In which circumstances that informatica server creates Reject files?

2 9675

Can you copy the session to a different folder or repository?

2 11254

When the informatica server marks that a batch is failed?

1 5489

What is a command that used to run a batch?

2 6915

In a sequential batch can you run the session if previous session fails?

4 10052


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Un-Answered Questions { Informatica }

Hi, I want to change date type char value integer value? I tried alter table tab_name modify (newcolumn newdatetype). But The columns have 10 million values(char type) so I want to load now numeric data. How it is possible? Old Values New Value(I want to load numeric data but the old value should be there in the column) Y 1 N 0 ERROR at line 1: ORA-01439: column to be modified must be empty to change datatype Please help on this. Thanks, GM

3775


what is INFORMATICA TESTING process

2036


I want my deployment group to refer an external configuration file, while i deploy in the production environment. How can i achieve it.

1771


What is rank transformation?

750


How to load last n records of file into target table - informatica

833


Can anyone tell me the new features in Informatica 9 Version?

1757


How to partition the Session?

839


What is meant by target load plan?

733


What is olap (on-line analytical processing?

819


What is Cognos script editor?

3951


What is the function of look up transformation?

856


What are the tasks that source qualifier perform?

822


-Which expression we can not use in Maplets?, -Can we join(relate) two dimensions in a schema? -Why and where we use 'sorted input' option?

5334


What is event and what are the tasks related to it?

812


How to do unit testing in informatica? How to load data in informatica ?

877