Explain what are the different types of join operations?
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Explain what is a three tier data warehouse?
Explain what is a view as it relates to system modeling?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
Why is business intelligence (bi) important in data warehousing?
What is MODEL is Data mining world?
in general which algorithms for used?
What are the data marts?
What is a core dimension?
Explain is fact table?
Explain about core dimension, balanced dimension, and dirty dimension?
Explain a linked cube?
What are the key columns in Fact and dimension tables?