Explain what are the advantages data mining over traditional approaches?
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Can we take backup when the database is opened?
What is analytical or analytic mean?
What is the limit to the number of sources and targets you can have in a mapping?
How to allow a dynamic selection of a column for a measure in a chart,without using variable?
What is difference between Mapplet and reusable transformation?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
How can we run the graph?
Explain the difference between keylokup and joiner?
What is a data profile?
If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?
3 Answers Extech, Principal Finance,