Explain clearly 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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Explain the importance of data warehouse?
What is difference between query studio and report studio?
What is critical column?
What are the fundamental elements of the data warehouse?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
What is the difference between power center & power mart?
What is scd1 , scd2 , scd3?
What is a full backup?
Explain what is partitioning? What are the types of partitioning?
What is Time Series algorithm in data mining?
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
What is the difference between a W/H and an OLTP application?