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Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
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OLAP architecture?
3.What is fact less fact ?
9 Answers Accenture, HCL, TCS,
What are the different types of data warehousing?
What are fact, dimension, and measure?
What are the advantages of query studio compared to report studio?
Explain degenerate dimension table?
Why should you put your data warehouse on a different system than your oltp system?
What according to you might be the future of data warehousing?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
What are the data marts?
What is the difference between metadata and data dictionary?
What is the difference between aggregate table and materialized view?
Teradata 
