How can we run the graph? How can we schedule the graph in unix?
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How to handle multi value dimensions?
Which are the olap tools available that are supported by oracle?
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
Compare aggregates and data marts
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
Explain difference between snow flake and star schema.
What are the various transformation available?
What are the different types of fact tables used in data warehousing?
Why denormalization is promoted in universe designing?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
Explain what is the extension of file to save template?
What is an OLTP (Online Transaction Processing) System?
Teradata 
