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Informatica Interview Questions & Answers

Below we have listed all the Informatica Interview Questions and answers. Feel free to comment on any Informatica Interview Questions or answer by the comment feature available on the page.

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Informatica Interview Questions & Answers

Informatica is a software development company founded in 1993. It is headquartered in Redwood City, California. It was founded by Gaurav Dhillon and Diaz Nesamoney. Anil Chakravarthy is the company's CEO. Informatica is successful ETL and EAI tool with significant industry coverage. ETL refers to extract, transform, load. Data integration tools are different from other software platforms and languages.

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In Dimensional modeling fact table is normalized or denormalized?in case of star schema and incase of snow flake schema?
0.3 Rating
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Which is better among connected lookup and unconnected lookup transformations in informatica or any other ETL tool?
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What is the limit to the number of sources and targets you can have in a mapping
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Which objects are required by the debugger to create a valid debug session?
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What is the procedure to write the query to list the highest salary of three employees?
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We are using Update Strategy Transformation in mapping how can we know whether insert or update or reject or delete option has been selected during running of sessions in Informatica.
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Suppose session is configured with commit interval of 10,000 rows and source has 50,000 rows. Explain the commit points for Source based commit and Target based commit. Assume appropriate value wherever required.
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How do we estimate the number of partitons that a mapping really requires? Is it dependent on the machine configuration?
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How do we estimate the depth of the session scheduling queue? Where do we set the number of maximum concurrent sessions that Informatica can run at a given time?
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How do you decide whether you need ti do aggregations at database level or at Informatica level?
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Can Informatica be used as a Cleansing Tool? If Yes, give example of transformations that can implement a data cleansing routine.
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Identifying bottlenecks in various components of Informatica and resolving them.
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Identifying bottlenecks in various components of Informatica and resolving them.
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How to join two tables without using the Joiner Transformation.
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Briefly explian the Versioning Concept in Power Center 7.1.
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In a filter expression we want to compare one date field with a db2 system field CURRENT DATE.
Our Syntax: datefield = CURRENT DATE (we didn't define it by ports, its a system field ), but this is not valid (PMParser: Missing Operator)..
Can someone help us. Thanks
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What does the expression n filter transformations do in Informatica Slowly growing target wizard?

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How to create the staging area in your database
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Whats the diff between Informatica powercenter server, repositoryserver and repository?
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What are the Differences between Informatica Power Center versions 6.2 and 7.1, also between Versions 6.2 and 5.1?
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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal


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