What does level of granularity of a fact table signify?
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What is difference between e-r modeling and dimensional modeling?
Which component has onread method and what it is used for?
Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
How to answer the question how many fakt table in your datawarehouse and what size it have?
what are the other factors of the database on which the loading performance depend?
What is critical column?
Explain the definition of normalized and denormalized view?
Suppose we want to display zero when null values coming to report how can we do that?
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
What is dimensional modelling?
What are the mapping paramaters and maping variables?
What is Operational Data Store?