Explain bus schema?
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What is many-to-many dimensional model in datawarehousing ?
Explain what is the main difference between inmon and kimball philosophies of data warehousing?
Explain what is the extension of file to save template?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?
What is ?Data mining??
Why denormalization is promoted in universe designing?
What is data merging, data cleansing and sampling?
Explain the main differences between star and snowflake schema?
what is the difference between MOLAP and ROLAP?
How Materialized Views are linked with Oracle DataWare house?
What is staging area?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?