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Informatica Interview Questions
Questions Answers Views Company eMail

How to Explain My project flow,In TCS ased me this question. In which way i can start my project flow and they asked how many fact tables and dimensional tables u used. Can any one Explain Briefly for this question and project architecture also.. please..

CTS, HCL, Infosys, TCS,

3 22748

There are 4 flat files with number of records as indicated below. Which files should be picked first for joining using joiners so as to get best performance. File A - 1000 records File B - 100 records File c - 10000 records File D - 10 records Please explain. Thanks and Regards,

Amdocs,

1 7617

The structure of source file is as below: Source structure(two fields) Name, Card NUmber A, 111111111(SSN) A, 01010101(Creditcard number) A, 34343434(Debit card number) B, 55555555(Creditcard number) C, 77777777(Debit card number) Target Structure(4 fields) Name,Credit card,SSN,Debit card A,01010101,111111111, 34343434 B,55555555,, C,,,77777777 Corresponding to one name there can be maximum 3 rows and minimum zero rows. Given that I do not know which record might have a particular type of number. How can I handle above requirement with informatica transformations?

Amdocs,

1 7425

If I have set the property Treat Source Rows as Insert and for the target properties I have checked the boxes Update as Update, what will happen to incoming rows? What exactly is the use of these check boxes and in which scenarios we use them. Also what is the sequence in which informatica understands these properties.Does it takes whatever is defined in treat source rows as property or it is in any other way. Please explain.

Amdocs,

3 21285

Please create a mapping where I have source which has one column with name like Aman_Gupta Rakesh_Mehra Sachin_More I want the target field should contain the name in reverse order i.e Gupta_Aman Mehra_Rakesh More_Sachin. Can you please tell me what transformation would be needed to do this.

5 7131

Briefly explain your complete project(sales) flow, (ie. from source received from client, transformations, then despatch to end user) what are all the process. Kindly give step by step process.

TCS,

2280

Plz can any one say me how to get the informatica certification materials and dumps

TCS,

2048

why normalizer transformation can not used in mapplet? plzzzz answer

Syntel,

2 15196

hi guys i have an question how do you find out weather the column is numeric or combination of char and numbers or it contains char,numeric and special characters.

IBM,

2 6917

what are types of dimentions?

3 5993

is it reqire primary key and foreign key relation ship to join relational databases?if yes? explain?

IBM,

3 8651

Normalizer transformation is not involved in Mapplet.. why???

Wipro,

1 8581

how to get the data from the client machine and how to get server location data to client loction can any body explain to me

TCS,

1 4994

following table source name gender a1 male a2 female how to change 'male' to 'female' and 'female' to 'male'

2 5747

i have a data in my source as a flat files what test i have to perform the next step can any body help to me

SeeInfoBiz, TCS,

2120


Post New Informatica Questions

Un-Answered Questions { Informatica }

Explain the pipeline partition with real time example?

1143


How to go to the older version for a mapping?

1098


Where do we use mapping variables in informatica?

1065


I have worked on Informatica 7.1.1. I want to know the answer for the below question. Target is not created initially.Then how to take the DDL script from the source and run the Mapping by creating the Target dynamically?Is it possible by SQL Transformation?

1905


What are multi-group transformations?

1095


Reusable transformation and shortcut differences

1840


What is the maplet?

1118


Enlist the various types of transformations.

1057


what is granularity,what type of granularity we will take in fact tables either lowlevel or highlevel,if two tables having same granularity that is posiable or not

2334


What does role playing dimension mean?

1044


Write the unconnected lookup syntax?

1084


What is a connected transformation?

1118


Why update strategy and union transformations are active? Explain with examples.

1240


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

4160


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

2125