ETL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ETL Interview Questions

Questions Answers Views Company eMail

what do u do when DB time takes more?in sap bi

2205

what is the use of structures?how many nodes can u create in a structure?

2238

Can we create Hierarchies in generic datasources?

CTS,

2382

How can we handle Rejection Logic in Source tables while we are matching the data in Target side in ETL Testing ?

2 5724

tell me few points when u become TL

Infosys,

2550

what make u disappointmnets in u r career

Infosys,

2195

Hi Guys, my requirement is to load 1 yr data from oracle to teradata database through abinitio etl graph.i need to schedule this as a monthly job.but i want to load 12 month data for the first time and from second time it should load last (recent) month data and delete 13th month data. For example For the first time it should load 201208 to 201108 data, second time it should delete 201108 month data and load 201209 month data. I developed garph to load 12 month data ,but i don't know how to handle above requirement as am new to abinitio. i greatly appreciate you help.Thank You.

2212

Hi, Lookup() is what kind of join ?

Satyam,

6 12209

what is the difference between cubes and package in cognos

Cognizant,

4949

my name is amar i want display 1st line A 2nd line M 3rd line A 4th line R in database & informatica

HCL,

1 4330

How we can see table structure?

iGate,

2 6743

What exact we can see in table?

1 3934

how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

Thomson,

2695

Can we parametrize the values of IN statement. Ex. Inside parameter file: Parameter='A','B','C' Inside Code: IN (INPUT_CHARACTER, $$Parameter)

Cognizant, IBM,

2 6206

explain about your project architecture in ssis..could u please send to my mail..vinod.kjvk@gmail.com

Tech Mahindra,

4112

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Un-Answered Questions { ETL }

what is the use of structures?how many nodes can u create in a structure?

2238

what are the session parameters? How do u set them?

2047

Hi, I've a mapping with flat file source The target update override property for the target table is using update stmt. There is no update strategy between source and target. Also The session has the target properties as Insert , Update as update options checked. Does this mean that recs will be inserted only and the update override will not be applied at all. Thanks

1771

What are the three tiers in etl?

1113

Just Completed the informatica Certification ,for Dumps please email me on infamaddy@gmail.com i will send it to you

1717

how do u really know that paging to disk is happening while u are using a lookup transform?

1981

can be used COM component in Informatica ?

2059

How many steps etl contains?

942

what is pmrep command?

2431

Compare etl & elt?

1012

what is the meant by Normalization and de-normalization?

2718

where we cannot use sorter Transformation. if we use then we will not get correct data?

2199

What are the etl testing operations includes?

1109

List few etl bugs?

942

what happens if the info.server doesn't find the session parameter in the parameter file?

1943

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