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How to explain any (sales) project in interview.actually feom where report developer work starts?pls reply as soon as possible?
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What is real-time datawarehousing?
Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?
what is the use of surrogate key in businessobjects
Explain clustering algorithm?
Which columns go to the fact table and which columns go the dimension table?
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Explain the structure of cold fusion?
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?
What are situations where snowflake schema is better than star schema when the opposite is true?
How to export mappings to the production environment?
What are the approaches used by optimizer during execution plan?
Teradata 
