A primary key field that uses two or more fields is known as a __________.
a. simple primary key
b. composite primary key
c. foreign key
d. candidate key
b. composite primary key
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Which of the following statements is true?
a. System.out.print("Enter your age: "); prompts the user to take action. b. Class names typically begin with a capital letter. c. Package java.lang is imported in every Java program. d. All of the above are true.
A(n) ____ in an HTML document is underlined and often displayed in a vivid color.
A. element B. hypertext link C. table of contents D. address
? Critical Thinking Questions ? The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client. ?If they make use of the four-model approach, which of the following is a likely outcome?
A. ?Time taken to develop the model increases. B. ?Costs needed to develop a logical and physical model of the current system will be less. C. ?It will not be possible to get a clear picture of the current system functions before modifications are made. D. ?The requirements of a new information system will always be different from the current information system.
If the intQuantity and decPrice variables contain the numbers 3 and 15.75, respectively, the condition If intQuantity > 0 AndAlso intQuantity < 10 OrElse decPrice > 20 will evaluate to ____.
A. True B. False C. Yes D. No