What is metadata in context of a datawarehouse?
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What are the different ways to represent the loading of dimension tables?
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
What is Discover and Execute in XMLA?
in general which algorithms for used?
What is the main difference between schema in rdbms and schemas in datawarehouse?
What are the different types of data warehouses?
What are non-additive facts in detail?
Is it possible to have more than one row on the same table with the same foreign key?
What are vaious etl tools in the market?
Briefly state different between data ware house & data mart?
What are the types of dimensional modeling?
three ways sql*loader could load data, what are those three types?
Teradata 
