ETL Interview Questions
Questions Answers Views Company eMail

Hi my name is kuldeep singh, i have finished my B.E in computer science and engg in 2008. I have worked with accenture for 17 months and because of family problem i left the job in dec 2009.. i was in data ware housing capability. right now i am working in a BPO as technicla support executive,, i want to move to IT again, please suggest me what shuld i do? its been 1 year gap and i am not able to get into IT...please suggest me ...should i go for informatica certification will that help me to get inot IT. please give ur suggestion..my E mail is is singh.kuldeep2004@yahoo.in

1800

What is Data Vault???

2331

What is factless fact schema?

3 5973

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

1363

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

1792

we hava a flat file having more than 1000 records and two targets. i have to write first half of the rows into first targets and next half of rows into second target. how can i do in informetica??

1 4708

we hava more than 1000 records. i have to select first 5 record, last 5 record and 5 records from middle of the source. how can i do in oracle as well as in informetica??

4 7231

I have a Flat file with more no. of Records also including duplicate values. But i need distinct values to one target and remaining records to another target in Informatica way

2 4811

WHY CANT WE SEE THE DATA IN DATASET

IBM,

1 4960

can u please tell me about ........ how can explain my project before interviewer my projects are insurence domain & sales domain?

1723

what are the types in error loging?

Cap Gemini,

1621

IN Informatica, I have 10 records in my source system. I need to load 2 records to target for each run. how to perform.please let me know. I know by using Mapping variable we can perform but how to load please any one explain.

TCS,

3 12343

how to answer the question "explain project architecture" in informatica pls any one who has the answer pls send the answer to this mail id "karumanchisrinu@gmail.com

TCS,

2 16824

flat filevalidation in informatica

Hewitt,

1735

how to connect to a flatfile through ftp in informatica

TCS,

1 13422


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Un-Answered Questions { ETL }

Explain about etl data integration software?

478


A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean?

1815


What is abap? What are idocs?

502


What are the various tools used in etl?

536


how would u estimate the size of Aggregator transform data and index cache?

2002






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

2033


How many types of transformations supported by sorted input?

680


When do we analyze the tables? How do we do it?

517


how many maximum session supports to multiload in teradata ??

1681


What is initial load and what is full load?

505


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.

1702


What is the difference between project backlog and product backlog?

1019


what is the difference between cardinality and Nullability?

2500


can cubes contain measures ?

1633


Explain me ETL project architecture in Detail?

1914