Exam 5: Database Management Systems

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

A meaningful change in the state of an enterprise such as hiring employees,purchasing inventory,and collecting cash from customers are called ______________________________.

(Essay)
4.7/5
(69)

______________________________ are problems in a relation table caused by the existence of functional dependencies.

(Essay)
4.8/5
(93)

Data warehousing and data mining are driving many new DBMS implementations.

(True/False)
4.8/5
(82)

A postal ZIP code is an example of which of the following coding schemes?

(Multiple Choice)
4.8/5
(77)

A ____ describes a portion of a DBMS' configuration of record types and data items and the relationships among them.

(Multiple Choice)
4.7/5
(76)

______________________________ is another name for query language.

(Essay)
4.8/5
(70)

In a(n)____ database model,a child record may have more than one parent.

(Multiple Choice)
4.9/5
(74)

An attribute is an item of data that characterizes an entity or relationship.

(True/False)
4.7/5
(85)

Each relationship has a characteristic,called a cardinality that shows the degree to which each entity participates in the relationship.

(True/False)
4.8/5
(84)

Which of the following statements related to events-driven systems is false?

(Multiple Choice)
4.8/5
(98)

______________________________ is the process of capturing,storing,retrieving,and distributing the knowledge of the individuals in an organization for use by others in the organization to improve the quantity and efficiency of decision making.

(Essay)
4.8/5
(86)

The computer software needed to implement a database approach to data management that is not needed with the applications approach to data management is:

(Multiple Choice)
4.8/5
(76)

Each relationship in an E-R diagram has a ____ that shows the degree to which each entity participates in the relationship.

(Multiple Choice)
4.7/5
(77)

An attribute is ______________________________ on a second attribute if the value for the first attribute determines a value for the second attribute at any time.

(Essay)
4.9/5
(71)

Which of the following statements about expert systems (ES)is false:

(Multiple Choice)
4.8/5
(85)

Which of the following is the most likely coding scheme for college courses?

(Multiple Choice)
4.8/5
(79)

A data model depicts user requirements for data stored in a database.

(True/False)
4.8/5
(75)

In a(n)____ database model,data are logically organized into two-dimensional tables.

(Multiple Choice)
4.9/5
(72)

A neural network is a software program that may be integrated into DSS or other software tools.

(True/False)
4.8/5
(71)

The applications approach to business event processing:

(Multiple Choice)
4.9/5
(80)
Showing 21 - 40 of 175
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)