Which of the following is NOT true about identifying the entities in an ERD?
A) Entities are people, places, or items that you want to keep data about.
B) Bridge entities use a composite key.
C) Composite keys are drawn in a diamond with a rectangle around it.
D) Weak entities have a primary key.
D
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Match the following terms to their meanings:
I. plug-in II. script III. ASP IV. PHP V. portal A. Web page containing useful information that has been tailored to a particular user B. an open license program C. needed for browser programs to use additional content functions D. programs that run scripts to include new relevant content each time the page loads E. programming often used to adapt the Web page to new content each time
Flowchart creators use diamond shapes to indicate alternative courses of action.
Answer the following statement true (T) or false (F)