29. Virtualization is the process by which ________. a. a single server is used

Question

29. Virtualization is the process by which ________. a. a single server is used to host the operations of a workstation b. many computers are used to control a server c. one computer hosts the appearance of many computers d. a single operating system is licensed for multiple computers

30. DenTimes, a software package installed in hospitals, is used to schedule appointments and bill patients. This is an example of ________. a. horizontal-market application software b. vertical-market application software c. firmware d. operating system

31. Relational databases represent relationships using ________. a. foreign keys b. file systems c. metadata d. unique identifiers

32. The rows in a database are called ________. a. records b. tables c. files d. fields

33. Which of the following is an international standard language for processing a database? a. Cassandra b. DB2 c. SQL d. MS Access

34. A ________ is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data. a. database application b. database design c. data field d. data model

Explanation / Answer

29. Answer: a

Virtualization is the process by which one computer hosts the appearance of many computers. The host operating system runs one or more operating system as an application.

30. Answer: b

DenTimes, a software package installed in hospitals, is used to schedule appointments and bill patients. This is an example of vertical-market application software.

31. Answer: a

Relational databases represent relationships using foreign keys. The foreign key is used to relate the data between the two tables.

32. Answer: a

The rows in a database are called records.

33. Answer: c

SQL is an international standard language for processing a database.

34. Answer: a

A database application is a collection of forms, reports, queries, and programs that serve as an intermediary between users and database data.

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