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How etl testing is different from database testing?
Explain about etl data integration software?
When do we go for the tools in the market?
What is virtual Data Warehousing?
What is etl process? How many steps etl contains?
what are the facilities provided by data warehouse to analytical users?
diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture
Explain and compare etl & manual development?
Compare ETL & Manual development?
what is the difference between cubes and package in cognos
What is the difference between round-robin partitioning and hash partitioning?
What are the names of the layers in etl?
Do we need an ETL tool? When do we go for the tools in the market?
When do we use dynamic cache and static cache in connected and unconnected lookup transformations? Difference between stop and abort
How can we use external procedural logic in informatica?
