Data mining refers to the process of discovering implicit patterns in data and using these patterns for business advantage.
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Q10: An oper mart is a just-in-time data
Q11: Data in a data warehouse is time-variant,which
Q12: Time-series data in a data cube may
Q13: A data warehouse refers to a central
Q14: In both query rewriting for materialized views
Q16: When N is the number of grouped
Q17: Sparsity in a hypercube indicates the amount
Q18: The multidimensional data model is becoming dominant
Q19: When N is the number of grouped
Q20: Because of its advantages over MOLAP and
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