how do u implement scheduling in Informatica?
Answer Posted / guest
use the scheduling options in the informatica or use pmcmd
commands
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Explain etl?
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
When do we go for the tools in the market?
What is staging area referring to?
When do we analyze the tables?
Mention few test cases and explain them?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
what are the data modeling tools you have used?(polaris)
Is hadoop a etl tool?
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What are the various tools used in etl?
How to increase performance without changing anything in mapping.( In prod)
what is the difference steps for data modeling?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
what are the facilities provided by data warehouse to analytical users?