Chapter 1
An attribute is known as a row in most databases.
False
An entity is also defined as an attribute.
False
Each table in a database represents two or more entities.
False
To create forms to use with a database you must write a program.
False
____ are screen objects used to maintain, view, and print data from a database.
Forms
____ is the prevention of unauthorized access to the database.
Security
A DBA can assign passwords to prevent unauthorized users from accessing the data.
True
An advantage of using the database approach to processing is that it facilitates consistency.
True
An attribute is a characteristic or property of an entity.
True
Sharing data is one advantage of database processing.
True
Software packages, called database management systems, can do the job of manipulating databases for you.
True
The relationship between different entities (in different tables) is handled by their common columns.
True
One disadvantage of a database system is ____.
a larger file size
A person who is in charge of a database within an organization is often called the database ____.
administrator
A(n) ____ is also called a field or column in many database systems.
attribute
The ____ of an entity become the columns in the database table.
attributes
During the ____ process, a database expert determines the structure of the required database.
database design
Unlike a typical data file, a database can store information about multiple ____.
entities
A(n) ____ is a person, place, object, event, or idea for which you want to store and process data.
entity
A visual way to represent a database is with a(n) ____.
entity-relationship diagram
A database has ____ if the data in it satisfies all established integrity constraints.
integrity
A good ____ should provide an opportunity for users to incorporate integrity constraints when they design the database.
DBMS
A(n) ____ frees programmers who write database access programs from having to engage in mundane data manipulation activities, such as adding new data and deleting existing data.
DBMS
Popular ____ include Access, Oracle, DB2, MySQL, and SQL Server.
DBMSs
A(n) ____ is the computer counterpart to an ordinary paper file you might keep in a file cabinet or an accounting ledger.
data file
