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Categories >> Software >> Data Warehouse >> ETL


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without using ETL tool can u prepare a Data warehousing and
 Question Submitted By :: ETL
I also faced this Question!!     Answer Posted By  
# 1
Yes , it is possible to create a datawarehouse without
using ETL tool. but it will be very very complicated and
time consuming and if the needs change you need to re-work
on it again.but when you use etl tools you can adapt you
can make the changes as required.
Is This Answer Correct ?    6 Yes 4 No
# 2
Theoritically speaking Yes. Preparing a Datawarehouse and
maintaining will only be feasible when the amount of Data
you are dealing with is small. Practically Datawarehouses
will have huge data with large number of tables and complex
business rules which may keep changing from time to time.
All this makes practically impossible to implement DWH just
by writing database queries.
Is This Answer Correct ?    1 Yes 0 No
# 3
Hai..,No Possible. 
Is This Answer Correct ?    2 Yes 6 No

Other ETL Interview Questions
  Question Asked @ Answers
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?   1
what are variable ports and list two situations when they can be used? Satyam 4
what is the difference between shortcut of an object and copy of an object? compare them?   1
what is HISTOGRAM? how to generate statistics?   1
what is the indicator file and where it is used?   1
what are the different Reporting and ETL tools available in the market?   1
what are the different Reporting and ETL tools available in the market?   3
how do u set the size of block buffer?   1
Two different admin users created for repository are________and_________.   1
what happens if the info.server doesn't find the session parameter in the parameter file?   1
Can anyone please send me the latest informatica dumps (power center 8.1.1) for all the three exams? My mail id is   1
what is the meant by Normalization and de-normalization?   2
For more ETL Interview Questions Click Here 

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