Foreign keys physically connect logically related tables to achieve the associates described in the data model.
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Q17: The physical database is an abstract representation
Q18: The data dictionary describes all of the
Q19: The deletion anomaly is the least important
Q20: In the database method of data management,access
Q21: Which of the following may provide many
Q23: Which of the following is not a
Q24: Users access the database
A)by direct query
B)by developing
Q25: If an organization uses a commercial database
Q26: Cardinality describes the number of possible occurrences
Q27: Which characteristic is not associated with the
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