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

2137

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

2166

Can we create Hierarchies in generic datasources?

CTS,

2325

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

2 5562

tell me few points when u become TL

Infosys,

2455

what make u disappointmnets in u r career

Infosys,

2137

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.

2153

Hi, Lookup() is what kind of join ?

Satyam,

6 11944

what is the difference between cubes and package in cognos

Cognizant,

4888

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

HCL,

1 4217

How we can see table structure?

iGate,

2 6592

What exact we can see in table?

1 3840

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,

2623

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 6066

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

Tech Mahindra,

4048

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Un-Answered Questions { ETL }

SCD2 will work on only dimension tables as well as fact Table?

1341

What is data modeling and data mining?

915

dimension object created in oracle can be imported in designer?how?

2901

1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?

2180

What are the various tools used in etl?

969

Mention few test cases and explain them?

885

What is data cleaning?

886

List few etl bugs?

869

What are the steps involved in etl process?

949

Can there be sub steps of etl steps?

938

What are various etl tools in the market?

938

What do you understand by the term ‘transformation’?

955

In informatica, I have 10 records in my source system. I need to load 2 records to target for each run. How do I do this?

873

How can we use external procedural logic in informatica?

870

can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge

1743

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