3 In database terminology, what does the separation of higher level semantics of a database system from the lowerlevel implementation issues refer to?O TaggingReliabilityAvailabilityTransparencyConsider the following potential fragmentation. Does it provide a good fragmentation?F={F1, F2, F3}F₁ = Oi<10{E}F₂ = 10sis20 {E}No, there are duplicate rows.No, there are missing rows.No, there are rows that cannot be reconstructed.Yes, all rows appear at least once.F3 = Oiz20{E}

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Database Systems: Design, Implementation, & Management

11th Edition

ISBN:9781285196145

Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Chapter10: Transaction Management And Concurrency Control

Section: Chapter Questions

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Question

In database terminology, what does the separation of higher level semantics of a database system from the lower
level implementation issues refer to?
O Tagging
Reliability
Availability
Transparency
Consider the following potential fragmentation. Does it provide a good fragmentation?
F={F1, F2, F3}
F₁ = Oi<10{E}
F₂ = 10sis20 {E}
No, there are duplicate rows.
No, there are missing rows.
No, there are rows that cannot be reconstructed.
Yes, all rows appear at least once.
F3 = Oiz20{E}

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