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Informatica Interview Questions
Questions Answers Views Company eMail

If we are using an aggregator but forget to mention the group by port .what will be the output??

Nomura, TCS,

11 34208

I have 2 Sources,If 1st one Read sucessfully,Then only it has to move to read 2nd source.How can i do in INFORMATICA.

4 10793

can we create index and drop index in exsisting table while using infomatica

4 20026

"Change cache" in Informatica ?

2 7644

If no. of source columns is changing every time (First time it is 10 next time it is 20 so on). How to deal with it without changing mapping?

9 15968

What is 'PowerCenter Pushdown Optimization Option' in INFORMATICA ?

5 19330

how we do performence tuning in informatica

3 7952

Diff b/w ShortCut and reusabel Object ?

4 8471

What are the ETL tools available in DWH?

Mphasis,

6 15309

Please let me know how we can implement the below scenario. In a single mapping,more than 500 sources (legacy,VSAM,relational) will be loading into only one target. Whenever I retreive the data(any record) from target, i need to find the details that the record belongs to which source. Thanks in advance..

iGate,

5 11938

Please let me know how to do estimation before staring development in project. Here estimation in the sense how many associates are required, etc to complete the project.

iGate,

1 6939

I want to run a informatica worklow after complition of oracle procedure. That procedure is not running through informatica and can be run at any time in database. Informatica is in windows environment. Is it possible ? If yes please explain.

3 8165

HOw can we load the normalised data ( Vertical data) to (Horizontal data)with out using decode in the expression transformation and the aggregator transformation. But, what exactly I want is .. If we have million of records,it is not possible using decode and search for that Particular Id to pivot into Horizontal data... Can any one of guys please help me in this regard.....

TCS,

3 10584

Router T/R is active but some people are saying it is also passive which is exactly right?

5 20422

how to convert the .doc docs into .txt format using informatica

4 12470


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Un-Answered Questions { Informatica }

What is meant by LDAP users?

1211


explain abt ur project architecture?

2198


Please let me know how to make Data masking in informatica..

1729


CANNOT USE PARAMETER FILE! Hi all, I am trying to use parameter file for my workflow. This could help me to filter records where CITY = 'Portland' Following is what I have done: **in Designer - create new parameter : $$PARA_FIL, Parameter, String, IsExprVar=TRUE, Initial value = [empty] - Source Qualifier/ Properties/Source Filter: CUSTOMERS.CITY='$$PARA_FIL' **Create Parameter file: C:\Informatica\PowerCenter8.6.0 \server\infa_shared\BWParam\DynamicParamTest.txt $$PARA_FIL='Portland' **Configure workflow to use the parameter file: Edit Workflow/Properties/Parameter Filename: C:\Informatica\PowerCenter8.6.0 \server\infa_shared\BWParam\DynamicParamTest.txt I also configured directory of parameter file for session task. However, I just got this in the session log: [SQ_CUSTOMERS] SQL Query [SELECT CUSTOMERS.CUSTOMER_ID FROM CUSTOMERS WHERE CUSTOMERS.CITY='$$PARA_FIL'] No record has been loaded to target. It seems that the parameter file has not been read. I cannot understand the reason why. Could any of you kindly suggest me anything? Thanks

9145


Calculate sum of salaries department wise. Then the sum will be repeat for all columns in each department. Develop a mapping for this.

2425


What is a filter transformation and why it is an active one?

970


In what scenario we use to improve session performance by pushdown optimization?can any one give example?

6190


How do you manage the Parameter files while migrating your data from one environment to another environment?

1029


Did u used latest transformations of 8.6.0? for what?

1883


what is the size of u r source(like file or table)?

2273


Define pmcmd command?

1048


can we override a native sql query within informatica? Where do we do it? How do we do it?

1056


What is rank transformation?

991


While importing the relational source definition from the database, what are the metadata of source that will be imported?

1274


What is a connected transformation?

1124