Exam 5: Database Management Systems

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Data mining refers to the exploration, aggregation, and analysis of large quantities of varied data from across the organization.

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In a relational database model, data are logically organized into two-dimensional tables.

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Which of the following statements related to the event-driven approach is false?

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Data warehousing and data mining are driving many new DBMS implementations.

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Maximum cardinality is used to specify the minimum level of participation that one entity can have with another entity.

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Knowledge management is the process of capturing, storing, retrieving, and distributing the knowledge of the individuals in an organization for use by others in the organization to improve the quantity and/or efficiency of decision making.

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A(n) ______________________________ is a computer-based system that supports collaborative intellectual work such as idea generation, elaboration, analysis, synthesis, information sharing, and decision making.

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A(n) ______________________________ depicts the fields comprising a record.

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In the ______________________________ to business event processing, each application collects and manages its own data.

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Which of the following statements is true of a hierarchical DBMS?

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Because it uses alphabetic characters, a(n) ______________________________ coding system makes it easier for human beings to remember the codes.

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Which of the following is not a relationship type?

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An object-oriented database system is a database that allows both simple and complex objects to be stored using abstract data types.

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Data redundancy:

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Data independence refers to decoupling the data from the system applications, and it is a major difference between the centralized database approach and the applications approach.

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