Why is business intelligence (bi) important in data warehousing?
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What are the data marts?
which automation tool is used in data warehouse testing?
in general which algorithms for used?
Explain why fact table is in normal form?
What is is a star schema?
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 ?
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Compare ?Data mining? and ?Data Warehousing??
Why null values are mapped as 0 in fact tables?
WHAT IS FACT LESS FACT TABLE?
Difference between slicing and dicing with example?
What is metadata in context of a datawarehouse and how it is important?
What is the difference between ods and oltp?