Enforcing referential integrity assures that ________
A) you cannot leave that field empty
B) you cannot enter a value in the foreign key if there is no corresponding value in the primary key
C) you cannot enter the same value in the foreign key of the same table
D) you cannot enter invalid or incorrect information
B
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Which of the following data types can be returned from a method?
a. int b. bool c. string d. any of these
Cloud computing is changing how users access and pay for _________________________ .
Fill in the blank(s) with the appropriate word(s).
Where does the status bar display when Word 2010 opens?
A) In its own pane at the bottom of the document B) Directly under the Ribbon C) On the right side of the Word window D) Across the bottom of the window
The ____ primitive data type represents a variable that does not exist.
A. null B. undefined C. string D. Boolean