_____ describes the numeric relationship between two entities and shows how instances of one entity relate to instances of another entity.
A. Scalability
B. Compatibility
C. Cardinality
D. Functionality
Answer: C
Computer Science & Information Technology
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You can only specify a primary key when you first create a table.
Answer the following statement true (T) or false (F)
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A traditional IBM mainframe’s hardware responds to an interrupt signal by __________.
a. switching PSWs b. calling the operating system c. both A and B d. neither A nor B
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Write a multiple-line IF statement that outputs the message "Yes" when the variable x equals 1, and the message "No" when the variable x doesn't equal I.
What will be an ideal response?
Computer Science & Information Technology