If the primary key of a table contains only a single field, the table is automatically in second normal form (2NF).

Case-Based Critical Thinking QuestionsCase 5-1Part of your new job on the Web development team is to review the page download sizes of new pages added to the site to make sure that everything added is well-considered. If you know that a new page added to a particular site is mainly viewed by users on cable modem connections, how small does the page have to be in order to download in less than a second?

A. less than 100 kb B. less than 50 kb C. less than 10 kb D. any of the above

?Critical Thinking ? Case 6-1 ? You have had your computer for a while now and have saved all of your class assignment on it.  You have everything ordered by class and semester. Your instructor has asked you to resubmit an assignment.  You do not remember the full name, you can use which wildcard??

A. ?? B. ?* C. ?& D. ?!