Explain what are the different methods of loading dimension tables?
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What is the difference between metadata and data dictionary?
What is a real-time data warehouse?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
difference between For each and for all
Why is dimensional normalization not required?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
2.What is staging area ?
4 Answers HCL, IBM, iFlex, TCS,
Explain ddl (data definition language)?
What is metadata in context of a datawarehouse?
What is Sequence clustering algorithm?
What is hash partition?
What is degenerate dimension table?