Why should we use data ware housing and how can you extract data for analysis with example?
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What is critical column?
How to get the first 100 rows from the flat file into the target?
What is the difference between er modeling and dimensional modeling?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
What is the difference between Oracle Express and Oracle Discoverer?
Explain what are the advantages data mining over traditional approaches?
where exactly in dataware house a confirmed dimension can be created
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
What is batch processing?
Is it possible to have more than one row on the same table with the same foreign key?
How much data hold in one universe.
Can any one explain the hierarchies level data warehousing.
Teradata 
