Informatica Interview Questions
Questions Answers Views Company eMail

What is the expected value if the column in an aggregator transform is neither a group by nor an aggregate expression?

1 876

Explain the shared cache and re-cache?

615

What are the features of complex mapping?

649

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

564

What is a rank transform?

678

What is meant by lookup transformation?

616

What are the new features of informatica 9.x developer?

535

Suppose we configure sorter transformations in the master and detail pipelines with the following sorted ports in order: item_no, item_name, price. When we configure the join condition, what are the guidelines we need to follow to maintain the sort order?

656

What is mapping debugger?

574

Mention a few design and development best practices for informatica?

563

How can we store previous session logs?

569

What can we do to improve the performance of informatica aggregator transformation?

620

How an expression transformation differs from aggregator transformation?

628

Suppose we have a source qualifier transformation that populates two target tables. How do you ensure tgt2 is loaded after tgt1?

631

Can we use the mapping parameter or variables developed in one mapping into any other reusable transformation?

639


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Un-Answered Questions { Informatica }

How to extract sap data using informatica?

607


What is option by which we can run all the sessions in a batch simultaneously?

667


what are all the deliverables of ETL informatica power center project? what are all updated or created by etl developer as his everyday activities?

1780


What are the validations that you can perform in oracle and in informatica ? Advance Thanks

1660


What is an expression transformation in informatica?

520






What do you mean by enterprise data warehousing?

649


Describe an informatica powercenter?

609


What is the difference between informatics 7x and 8x and what is latest version?

547


What is the advantage of informatica?

650


Explain the pipeline partition with real time example?

656


What is blocking transformation?

722


in reporting we add some new objects,how we get the count of the newly added objects to the report

1755


whats the logic to load the lower level of granularity of data to fact table.

1807


Difference between Target-based loading and constraint-based loading?

556


What's the layout of parameter file (what does a parameter file contain?)?

1917