Using MIS Chapter 5 Flashcards
Developers generally construct a logical representation of database data, called a data model, after building a database.
False
Browser-based applications ________.
a. are more vulnerable to security threats than are traditional applications
b. need to be pre-installed on the users’ computers
c. run within a corporate network that is protected from the Internet
d. eliminate the need to check for data consistency
are more vulnerable to security threats than are traditional applications
A foreign key is essential in relational databases to represent the relationship between two tables.
True
A many-to-many (N:M) relationship means that more than one entity is allowed on each side of the relationship and that the number of entities on each side can be different.
True
SQL is an international standard language for processing a database.
True
A key is a column or group of columns that identifies a unique row in a table.
True
Which of the following is true of traditional database application programs?
a. Application forms, reports, and queries are displayed and processed using a browser.
b. They are written in object-oriented languages such as C++ and VisualBasic.
c. All of the application logic is contained in a program on the database server.
d. They are thin-client applications that need not be pre-installed on the users’ computers.
They are written in object-oriented languages such as C++ and VisualBasic.
A(n) ________ is a program used to create, process, and administer a database.
a. DBMS
b. operating system
c. data mart
d. information system
DBMS
The general goal of normalization is to construct tables such that every table has a single topic or theme.
True
A line in an E-R diagram is used to represent the attributes of the entities.
False
