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Tell me what is degree of a relation?
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2.What is staging area ?
4 Answers HCL, IBM, iFlex, TCS,
What is the difference between a W/H and an OLTP application?
Explain what are the methodologies of data warehousing?
Explain degenerate dimension table?
How can you import tables from a database?
Explain clustering algorithm?
How to use the tool Ontobulider
Explain what are slowly changing dimensions?
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
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.
4 Answers IBM, MAHINDRA, Tech Mahindra,
How can you communicate with web server (apache or iis) from coldfusion?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
Teradata 
