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Question
The database contents are loaded during the _______phase of the Systems Development Life Cycle (SDLC).a. analysis
b. detailed systems design
c. implementation
d. maintenance
Answer
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A dependency of one nonprime attribute on another nonprime attribute is a partial dependency.
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a. True
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a. True
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Normalization is a process that is used for changing attributes to entities.
a. True
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a. Subtype sets are unique.
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c. Subtype discriminators cannot be null.
d. Subtype does not have a supertype.
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The hierarchical model is software-independent.a. Trueb. False