What are the data types present in bo?
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Is there any default username & pwd for bo designer & supervisor?
What is data cleaning? How can we do that?
How much data hold in one universe.
Where we use surrogate key explain with example?
Compare aggregates and data marts
What is an IDQ file? What is the purpose of the IDQ file and what kindof information does it usualy hold? Can it be imported by informatica?
in general which algorithms for used?
Explain can a dimension table contains numeric values?
what is a hot file, why we need in datawarehousing, where we used in general
What is the main difference between star and snowflake star schema? Which one is better and why?
Can any one explain about core dimension, balanced dimension, and dirty dimension?
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