What is the main difference between schema in rdbms and schemas in datawarehouse?
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What is multi-dimensional analysis?
what are the types of dimension tables
Explain is fact table?
How can you clear the cache?
Explain the data type of the surrogate key?
Where the cache files stored?
How would you write a left join statement to return a result set of movie.title�s and director.name�s?
Why should we use data ware housing and how can you extract data for analysis with example?
What is cost benefit analysis (cba)?
What is data cleaning? How can we do that?
What is is a star schema?
What is called dimensional modelling?