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pagnor pagnor
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6 years ago
Which of the following is not true about surrogate keys?
A) They are identifiers that are supplied by the system, not the users.
B) They have no meaning to the users.
C) They are nonunique within a table.
D) They can be problematic when combining databases.
E) The DBMS will not allow their values to be changed.
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Database Concepts

Database Concepts


Edition: 7th
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jeckojecko
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