Explain some of modeling tools available in the market?
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Explain if a flat file cotains 1000 records how can I get first and last records only?
How are the dimension tables designed?
What is mapplet?
Why is dimensional normalization not required?
Explain what are the methodologies of data warehousing?
Explain what are the various methods of getting incremental records or delta records from the source systems?
what is user variable in affinium campaign? and some real time examples.
Where we use surrogate key explain with example?
What are the advantages of cold fusion?
Can any one explain the hierarchies level data warehousing.
what are different storage options supported by oracle ?
What is surrogate key? Where we use it?
Teradata 
