Compare and contrast aggregates & indexes
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What is the difference between data warehouse and operational systems?
How to handle multi value dimensions?
Is framework manager an un-needed overhead? As we know report studio allows us to create the data model from a query and thereby skipping framework manager. Given that this feature is available, in what scenarios would one want to skip framework manager?
What a static and local variable?
What does level of granularity of a fact table signify?
Explain piconet?
What is edw?
Explain what does level of granularity of a fact table signify?
Explain in simple terms, the concept of Data Mining.
what type of raid setup would you put your tx logs?
Can any one explain about core dimension, balanced dimension, and dirty dimension?
Why null values are mapped as 0 in fact tables?
Teradata 
