Explain dimension table ?
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Whether dimension table can have numeric value?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
what is a hot file, why we need in datawarehousing, where we used in general
Explain differences between star and snowflake schemas?
What are necessary tasks to install reportnet software?
Which component has onread method and what it is used for?
what is the difference between aggregate table and fact table ? how do you load these two tables ?
How many repositories can we create in Informatica?
how much memory space occupied real time project (roughly)?
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What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What is data stream and data adaopter?