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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

2199

What is Data Vault???

2745

What is factless fact schema?

3 7248

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

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

2199

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 5457

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 8649

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 5852

WHY CANT WE SEE THE DATA IN DATASET

IBM,

1 5868

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

2185

what are the types in error loging?

Cap Gemini,

2148

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 13615

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 17939

flat filevalidation in informatica

Hewitt,

2152

how to connect to a flatfile through ftp in informatica

TCS,

1 14298


Post New ETL Questions

Un-Answered Questions { ETL }

Difference between flat files and relational sources?

2306


What is a mapping, session, worklet, workflow, mapplet?

985


what are the data modeling tools you have used?(polaris)

1998


what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?

2626


what is the difference steps for data modeling?

2139


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

2205


How etl testing is different from database testing?

1045


What is full load & incremental or refresh load?

1203


How to increase performance without changing anything in mapping.( In prod)

1264


what is the meant by Normalization and de-normalization?

2718


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.

1954


What is grain of fact?

974


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

1981


what is data modeling?

2312


Explain about round-robi?

1145