What is the purpose of cluster analysis in data warehousing?
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Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
Explain ddl (data definition language)?
Explain what is the difference between view filter and report filter?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
In microstrategy, how can we direct the sql generated to use a specifc table?
waht is the advantage of infoset query
What is called dimensional modelling?
2.What is staging area ?
4 Answers HCL, IBM, iFlex, TCS,
Difference between PowerPlay transformer and power play reports?
What is aggregate awareness?
What is conformed fact?
What is freehand sql?