Explain the main differences between star and snowflake schema?
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Is union transormation is active transformation?
What is staging area?
What are the types of partitioning?
Which one among Star and snowflake schemas will occupy more space?
Where the cache files stored?
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
what role views play in dimensional modeling?
What is the difference between datawarehouse and bi?
What is the difference between agglomerative and divisive hierarchical clustering?
How to pivot row data using informatica?
Why facts table is useful in representing the data?
What is the limit to the number of sources and targets you can have in a mapping?