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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

2151

What is Data Vault???

2680

What is factless fact schema?

3 7061

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

1719

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

2142

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 5358

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 8502

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 5731

WHY CANT WE SEE THE DATA IN DATASET

IBM,

1 5749

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

2110

what are the types in error loging?

Cap Gemini,

2091

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 13451

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 17809

flat filevalidation in informatica

Hewitt,

2090

how to connect to a flatfile through ftp in informatica

TCS,

1 14179


Post New ETL Questions

Un-Answered Questions { ETL }

Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.

1904


Is apache nifi an etl tool?

910


Explain do we need an etl tool?

948


List few etl bugs?

873


how do u implement configuration management in Informatica?

4732


What are the types of data warehouse applications and what is the difference between data mining and data warehousing?

924


How to delete data which is not in source table?

1269


what is pmrep command?

11484


Explain me ETL project architecture in Detail?

2312


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.

2155


What are the modules in Power Mart?

893


What are cubes and olap cubes?

917


what is different between sequential batch and concurrent batch and which is recommended and why?

4860


Hi, I completed MCA in 2006.After studied Informatica,SQL server and basics of reporting tool in one of the training center in chennai.I got subject knowledge only.But I didn't go any job because I scared to face real time.Anyone please advice how can I enter again into this and anyone provide real time exposure with project.

1748


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

2077