Question
a.
Abstract temporal databases rely on finite representations, while concrete temporal databases rely on infinite structures.
b.
Abstract temporal databases represent time using intervals, while concrete temporal databases use timestamps.
c.
Abstract temporal databases capture real-world time, while concrete temporal databases capture database storage time.
d.
Abstract temporal databases store data in the form of tables, while concrete temporal databases use compact representations.
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Q. What is the primary distinction between abstract temporal databases and concrete temporal databases?
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