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Informatica Interview Questions
Questions Answers Views Company eMail

Where we use dynamic lookup and where we use it?do we generate surrogate keys using dynamic lookup?can we use it for scd type 2 mapping and why?

Amdocs,

3 17623

What is the difference between warehouse key and surrogate key?

Accenture,

1 6671

what are the limitation of sorter transformation?

TCS,

2 12819

I have source like col1,col2,col3,col4 and the values are like 3,6,1,7 1,5,3,8 2,1,5,6 i want the output like 3,6,7 5,3,8 2,5,6 How we will achieve in this scenario in informatica level. Please help me.. Thanks in advance..

Wipro,

4 8386

Why should we use star schema in datawarehouse design?

Wipro,

2 5994

What is the difference between informatica 8.x and 9.x

Wipro,

1 12774

WE HAVE 10 RECORDS IN SOURCE IN THAT GOOD RECORDS GO TO RELATIONAL TARGET AND BAD RECORDS GO TO TARGET FLAT FILE ? HERE IF ANY BAD RECORDS MEANS ITS LOAD INTO FLAT FILE AND SEND AN EMAIL , IF NO BAD RECORDS MEANS NO NEED TO SEND EMAIL . PLZ HELP ME ...

 1 4876

What are the disadvantages of Sequence Generator T/R?

Zensar,

3 16374

If we use sorted ports in aggregator transformation and somehow records are not in order by format so what will happen,session fails or it succeeded with incorrect data?

Amdocs,

1 6905

tell me the push down optimization

Wipro,

2 5665

tell me the informatica architecture

Banca Sella, Wipro,

1 5601

how we can load rejected record's at run time?(not through bad files)

TCS,

2330

what is row level and column level indicator?

TCS,

1 7431

what is the method of error handling when session is running?

TCS,

1 6194

can we use bulk loading when we use look in mapping

TCS,

1 3583

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Un-Answered Questions { Informatica }

How to join three sources using joiner? Explain though mapping flow.

1112

What are the popular informatica products?

969

Performance tuning( what you did in performance tuning)

1929

What is the Process to creating lookup transformation in informatica

1003

How to elaborate tracing level?

1133

Mention few advantages of router transformation over filter transformation.

994

COM components can be used in Informatica

2337

I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

1123

what is SDLC way of code development?

1985

3.how will u get information about bugs how will u rectify the bugs in realtime whch tool we are using to rectify the bugs

2206

How can we use mapping variables in informatica? Where do we use them?

1129

Explain what are the different versions of informatica?

1053

what are the Methods For Creating Reusable Transformations?

1117

What is difference between a gateway node and worker node?

1085

How do you load only null records into target?

1162

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