What is drilling across?
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How to improve session performance in aggregator transformation?
what is the difference between etl tool and olap tools
If your client approaches you and says that he wants to create a Datawarehouse, and provides just the info regarding his source systems. What are all the neccessary actions one is supposed to take/understand and get back with a comprehensive document which convinces the client to proceed with the DW initiative. What are all the documents we need to provide the client?
What is a Data Cube?
Explain clustering algorithm?
What are different deliverables according to phases?
What is freehand sql?
What are the types of SCD?
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
ware house management system is used?
if we increase the number of dimensions will the rows in fact table increase or decrease??
What is the difference between a primary and secondary actor in use case modeling?