Why facts table is useful in representing the data?
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What are aggregate fact tables ? why they are needed? give an example
What is dimension modeling?
Explain what is the data type of the surrogate key?
explain about balanced dimension,
What are the stages that are required in data warehousing?
Explain what are conformed dimensions?
Explain what is the difference between a primary and secondary actor in use case modeling?
What is batch processing?
How can we do ETL process in SQL Server?
List down some of the real time data-warehousing tools?
What are the differences between datamart vs. Reporting cube?
What is a cube in data warehousing concept?