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Compare ETL & Manual development?
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What is factless fact schema?
What is meant by incremental load?
When do we go for the tools in the market?
what are variable ports and list two situations when they can be used?
Explain what are the various etl tools in the market?
what is different between sequential batch and concurrent batch and which is recommended and why?
Two default user groups created in the repository are____and_____.
1)Power center server and client on the same machine 2)power center server and client on the different machines What is the basic difference in these two setups and which is recommended ?
what is the advantage of persistent cache? when it should be used?
What are the key benefits of ETL Testing?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
what are the facilities provided by data warehouse to analytical users?
Teradata 
