Conceptual data modeling is especially process-oriented and requires mostly hard skills of the database designer.
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Q1: Because many physical design and distributed design
Q2: The broadest goal of database development is
Q3: Achieving good data quality is such an
Q5: Due to the high cost costs of
Q6: In the traditional life cycle,the systems implementation
Q7: The external schema of a database represents
Q8: The characteristic of consistency in data quality
Q9: Although establishing a common vocabulary among different
Q10: Refinements to the conceptual data model usually
Q11: The role of a database is to
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