When the primary key of one relation is placed into a second relation, it is called a:

a. field key.

b. referential integrity.

c. foreign key.

d. candidate key.

e. relocated key?

Suppose that TCP's current estimated values for the round trip time (estimatedRTT) and deviation in the RTT (DevRTT) are 400 msec and 25 msec, respectively (see Section 3.5.3 for a discussion of these variables).

What features could be improved or added to make a battery powered clock more reliable?

Match each term to the appropriate definition. DBMS data mining hash file index key field locking protocol relation roll back schema SQL A. A means of locating a particular record within a file B. The process of extracting hidden information C.

How do the principles behind the Agile Manifesto suggest approaching architecture? A. Architecture emergesB. Architecture is not important, but functionality is importantC. Architecture is defined and planned up frontD.

Which are emotional effects of anxiety? Check all that apply. panic worry anger nausea headache

1. How is Cyber Bullying different from bullying in person? 2. What could you do about stopping Cyber Bullying?

What two variables does mass depend on?

How many times does the following loop body execute? int count = 52; for (int i = 0; i < count; i++) {cout << count << endl; --count; } 26 52 25 None of the above

On Windows computers, applications from Microsoft will not look and act the same as windows and menus from the operating system. True False

What is the purpose of lookup tables in spreadsheet software? A. They allow the user to retrieve information from another location in a table. B. They allow the user to lock cells that contain information that remains consistent. C.