Data mining refers to the exploration, aggregation, and analysis of large quantities of varied data from across the organization.
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Q20: Business processes, such as hiring employees, purchasing
Q21: A partial dependency happens when an attribute
Q22: An attribute is equivalent to a field
Q23: A secondary key uniquely identifies any row
Q24: A data model for a database is
Q26: The normalization process involves the application of
Q27: An object-oriented database system is a database
Q28: Update anomalies are problems in a relation
Q29: In a hierarchical database model, all record
Q30: An attribute is an item of data
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