Explain what is the difference between a primary and secondary actor in use case modeling?
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How to create context?
What are the types of dimensional modeling?
Difference between slicing and dicing with example?
What is critical column?
What is a real-time data warehouse?
Why fact table is in a normal form?
What is operational data source (ODS)?
Can we take backup when the database is opened?
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What is called dimensional modelling?
Define data warehouse?