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Informatica Interview Questions & Answers

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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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When we create a target as flat file and source as oracle.. how can i specify first rows as column names in flat files...

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What are the join types in joiner transformation?
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What is aggregate cache in aggregator transforamtion?


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Describe two levels in which update strategy transformation sets?
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What is rank transformation?where can we use this transformation?

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What is the difference between informatics 7x and 8x
and what is latest version?
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What are the different threads in DTM process?
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How can you improve the performance of Aggregate transformation?

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What r the circumstances that infromatica server results an unreciverable session?
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What are the different options used to configure the sequential batches?
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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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In a scenario I have col1, col2, col3, under that 1,x,y, and 2,a,b and I want in this form col1, col2 and 1,x and 1,y and 2,a and 2,b, what is the procedure?
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Which transformation should u need while using the cobol sources as source defintions?


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If I get a flat file as source, I need to get distinct data in the target. How do I accomplish this? Please give a detailed answer of what all trasformations we have to use and how the data flow will be, and what SQL statement we have to use.
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What is Micro Strategy? Why is it used for? Can any one explain in detail about it?

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Somebody ca explain me the 3 points:I want to Know :

1) the differences between using native and ODBC server-side databaseConnections
2)Know the reason why to register a server to the repository is necessary
3)Know the rules associated with transferring and sharing objects between folders.
4) Know the rules associated with transferring and sharing objects between repositories

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How can U create or import flat file definition in to the warehouse designer?


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What is the mapping for unit testing in Informatica, are there any other testings in Informatica, and how we will do them as a etl developer.
how do the testing people will do testing are there any specific tools for testing

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After draging the ports of three sources(sql server,oracle,informix) to a single source qualifier, can u map these three ports directly to target?
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What are the enhancements made to Informatica 7.1.1 version when compared to 6.2.2 version?

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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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