Exam 5: Database Processing

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

What is the purpose of a database?

(Essay)
4.9/5
(43)

Relationships represented using "crow's feet" have an N:M relationship.

(True/False)
4.9/5
(30)

The components of a database application system include all of the following except ________.

(Multiple Choice)
4.8/5
(43)

In order to find the data one is looking for in the DBMS,one has to type in the keyword into a query form.

(True/False)
4.8/5
(33)

In a data model,entities always represent physical objects.

(True/False)
5.0/5
(39)

A ________ is a self-describing collection of integrated records.

(Multiple Choice)
4.8/5
(31)

The database design team transforms entities into tables and expresses relationships by defining ________.

(Multiple Choice)
4.9/5
(32)

________ is a popular enterprise DBMS.

(Multiple Choice)
4.9/5
(37)

In a data model,an identifier refers to a unique characteristic of an entity.

(True/False)
4.9/5
(27)

Optimization is the process of converting a poorly structured table into two or more well-structured tables.

(True/False)
4.9/5
(25)

A more formal name for a table is a(n)________.

(Multiple Choice)
4.9/5
(30)

_____ is the most popular diagramming tool for database applications.

(Multiple Choice)
4.9/5
(35)

A key is a column or group of columns that identifies a unique row in a table.

(True/False)
4.8/5
(39)

Metadata are ________.

(Multiple Choice)
4.8/5
(38)

Relational databases represent relationships through the use of formal keys.

(True/False)
4.8/5
(39)

In a relational database,a collection of related records is a(n)________.

(Multiple Choice)
4.8/5
(29)

________ show data in a structured context.

(Multiple Choice)
4.9/5
(30)

All the following steps involved in transforming a data model into a relational database design are true except ________.

(Multiple Choice)
4.7/5
(39)

In an entity-relationship diagram,a ________ on a line means that the entity is optional.

(Multiple Choice)
4.9/5
(36)

Which of the following is true of the database development process?

(Multiple Choice)
4.9/5
(29)
Showing 81 - 100 of 138
close modal

Filters

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