?
Critical Thinking Questions
Case 9-2
?
Emily is functioning with her customer, Anna, on the design of a new database. She describes to Anna that key fields are utilized to access, coordinate, and preserve the data records.
?Emily tells Anna that a primary key is a field or combination of fields that individually and minimally recognizes a specific entity. She mentions that there may be an option of fields or field combinations to use as the primary key. Which of the following is the term used for a feasible primary key?
A. ?Candidate key
B. ?Ancillary key
C. ?Foreign key
D. ?Multifaceted key
Answer: A
You might also like to view...
Which of the following is a required setting that must be supplied when creating a database?
A. the SQL Server name B. a unique database name C. the master database configuration D. the user credentials
A base class specifies ___________ —all classes derived from a base class inherit the ca- pabilities of that base class.
Fill in the blank(s) with the appropriate word(s).
A(n) ____________________ is a system-level response to the occurrence of some specific condition.
Fill in the blank(s) with the appropriate word(s).
What type of OS in firmware is designed to manage a specific device like a video game console?
A. network OS B. client OS C. workstation OS D. appliance OS