Explain differences between star and snowflake schemas?
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What is Time Series algorithm in data mining?
Suppose I want to get sales data for the last (suppose 10) dates dynamically using value prompt how can I do it and drag it onto report editor?
How can we load the time dimension?
What are the different types of join operations?
What are the mapping paramaters and maping variables?
What is the limit to the number of sources and targets you can have in a mapping?
What is a functional dependency f said to be minimal?
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Store (and count) non-fact records?
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What are the vaious etl tools in the market?
In a star schema, are foreign key constraints between facts and dimensions neccessary?