What is surrogate key? Where we use it?
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Disply the dname wise maximum salary
Explain normalization?
What is the difference between power center & power mart?
What is the difference between olap and datawarehosue?
What is loop in data warehousing?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
How does data mining and data warehousing work together?
what is indexing ? what are different types of indexes supported by oracle ?
what are the types of dimension tables
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
what is Materialized Views?