Problem: Database access control deals with controlling who (a person or a certain computer program) is allowed to access what information in the database. The information may comprise specific database objects (e.g., record types, specific records, data structures), certain computations over certain objects (e.g., query types, or specific queries), or utilizing specific access paths to the former (e.g., using specific indexes or other data structures to access information). Database access controls are set by special authorized (by the database owner) personnel that uses dedicated protected security DBMS interfaces.
What are examples of database objects?
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Answer: record types, specific records, data structures


Problem: In 1872, Russian Alexander Lodygin invented an incandescent light bulb and obtained a Russian patent in 1874. He used as a burner two carbon rods of diminished section in a glass receiver, hermetically sealed, and filled with nitrogen, electrically arranged so that the current could be passed to the second carbon when the first had been consumed. Later he lived in the USA, changed his name to Alexander de Lodyguine and applied and obtained patents for incandescent lamps having chromium, iridium, rhodium, ruthenium, osmium, molybdenum and tungsten filaments, and a bulb using a molybdenum filament was demonstrated at the world fair of 1900 in Paris.
Who invented his first lamp in the 1700's?
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Answer: unanswerable


Problem: Enrollment at the Lawrence and Edwards campuses was 23,597 students in fall 2014; an additional 3,371 students were enrolled at the KU Medical Center for a total enrollment of 26,968 students across the three campuses. The university overall employed 2,663 faculty members in fall 2012.
How many students attended the University of Kansas combined in fall of 2015?
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Answer:
unanswerable