Exam 4: Data Modeling and the Entity Relationship Model

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

A use case is a description of the way a user will employ the features and functions of the new system.

(True/False)
4.9/5
(35)

Microsoft Access 2013 uses ________ form and report editors.

(Short Answer)
4.9/5
(28)

Explain the ambiguity in the broad definition of a weak entity.

(Essay)
4.9/5
(37)

Microsoft Access can be used to prototype databases for which of the following DBMS products?

(Multiple Choice)
4.8/5
(33)

Given only the following excerpt of an E-R model: Given only the following excerpt of an E-R model:   Which of the following is known to be true? Which of the following is known to be true?

(Multiple Choice)
4.9/5
(39)

Which of the following is not a basic element of the E-R Model?

(Multiple Choice)
4.9/5
(33)

Explain minimum cardinality.

(Essay)
4.9/5
(26)

Relationships with the degree 2 are often called ________ relationships.

(Short Answer)
4.7/5
(38)

Recursive relationships occur when an entity has a relationship with ________.

(Short Answer)
4.9/5
(33)

Use cases can be used to validate the data model,design,and implementation.

(True/False)
4.9/5
(40)

________ are descriptions of the ways users will employ the features and functions of the new information system.

(Short Answer)
4.8/5
(35)

One type of strong entity is the ID-dependent entity.

(True/False)
4.7/5
(34)

Which of the following is not a stage in the development of a database system?

(Multiple Choice)
4.8/5
(28)

________ constrain data values and the processing of the database.

(Short Answer)
4.9/5
(34)

When an entity class has a relationship with itself,it is called a(n)________ relationship.

(Short Answer)
4.7/5
(30)

Microsoft Access can be used to build a prototype database,which allows users:

(Multiple Choice)
4.8/5
(36)

An entity class is described by the structure of the entities in that class.

(True/False)
4.7/5
(27)

What is a "use case" and how is it used?

(Essay)
4.7/5
(38)

In crow's foot style E-R diagrams,a single entity together with a related set of entities that each contain specific sets of attributes related to the single entity represent:

(Multiple Choice)
4.9/5
(38)

Microsoft Access 2013 database files can be easily copied to create multiple copies of a database.

(True/False)
4.9/5
(33)
Showing 21 - 40 of 76
close modal

Filters

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