The integrity constraint that ensures that every many record in a one-to-many relationship has a matching record in the one file is called:
A) entity integrity.
B) referential integrity.
C) domain integrity.
D) ordinal integrity.
E) cardinal integrity.
B) referential integrity.
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Explain how projects originate and why projects are used in an organization.
What will be an ideal response?
Match the following items related to the background to their descriptions:
I. Tile A. Displays a single image at its actual size, in the middle of the desktop. II. Center B. Displays a single image, resized to fill the desktop. III. Stretch C. Displays multiple thumbnail-sized copies of the same image in columns and rows across the desktop. IV. Windows Classic D. The default background for Windows XP. V. Bliss E. Displays windows that have trim, straight-edged bars, borders, and buttons.
?In a use case, the _____ is shown as a stick figurewith a label that identifies its role.
A. ?actor B. ?association C. ?linkage D. ?service request
The advertisement for a deskjet printer gives a sale price of $119.99. The regular price of the printer is $139.99. What is the percent discount on this printer?
A. 
B. 
C. 
D. 
E. 