Gina manages four sets of databases for the University; one with student name and address information, and one with student billing information, one with academic records for all students and one for current student enrollment status for the semester. She has been asked to use one common field to link the databases. What BEST identifies this particular type of field name?

Research data that is presented using descriptive language is said to be

Where can page numbers appear? check all that apply. in the header inside tables in the footer at the bottom of columns at the top of columns

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?