What is surrogate key? Where we use it? Explain with examples.
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What are the steps involved in designing a fact table?
Can we have multiple application.cfm file in an application?
What is freehand sql?
Explain grouped cross tab?
Is there any difference in testing database and data ware housing?
What is operational data source (ODS)?
Explain multivalued dependency?
Can you state some of the innovations throughout history?
What is the difference between data warehouse and operational systems?
In a star schema, are foreign key constraints between facts and dimensions neccessary?
Why null values are mapped as 0 in fact tables?
What is difference between a connected look up and unconnected look up?