Which of the following terms best describes the condition where every foreign key must refer to an existing primary key?

A) Physical Design
B) Null values
C) Referential Integrity
D) All of the above

C

Business

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A contract where one party makes regular installment payments and the other party makes payment conditioned on a specific event happening is known as:

A. an insurance policy B. an option agreement C. a sale-leaseback D. a deed of trust

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According to the text, a scatter diagram is also known as a ________

A) histogram B) pictogram C) scattergram D) pie chart E) box and whiskers diagram

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