Difference between e-r modeling and dimentional modeling?
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What are the types of SCD?
How to improve session performance in aggregator transformation?
What is many-to-many dimensional model in datawarehousing ?
Explain how many ways you create ports?
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
What is factless fact tables?
What is freehand sql?
Tell me what is degree of a relation?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?
1.WHAT IS DATA MART ?
Explain what is the difference between stop and abort?