Exam 5: Database Processing

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

The database administrator of an organization constantly manages the processing rights and responsibilities of employees.This is an example of a(n)________ task.

(Multiple Choice)
4.8/5
(74)

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

(Multiple Choice)
5.0/5
(74)

Which of the following is a nonrelational data store developed by Facebook?

(Multiple Choice)
4.9/5
(84)

An administrator should create a(n)________ before developing a database design.

(Multiple Choice)
4.9/5
(81)

Brenda, the sales manager of a firm, wants to generate a particular report containing sales analyses of the second and third quarter of the year.After accessing the DBMS, she should type the keyword into a ________ form to obtain the information that she wants.

(Multiple Choice)
4.8/5
(82)

Describe the elements of a data model.Provide examples.

(Essay)
4.9/5
(83)

Some type of locking must be used to coordinate the activities of users who know nothing about one another in order to prevent the lost-update problem.

(True/False)
4.8/5
(64)

Google developed a nonrelational data store called Dynamo.

(True/False)
4.9/5
(78)

In an E-R diagram, an entity is represented by a single triangle and the relationships between entities are represented by dotted lines.

(True/False)
4.8/5
(76)

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

(True/False)
4.7/5
(82)

Which of the following is a nonrelational data store developed by Amazon?

(Multiple Choice)
4.8/5
(84)

Which of the following types of DBMS products is designed for smaller and simpler database applications?

(Multiple Choice)
4.8/5
(87)

Which of the following data elements is placed higher than records in the data hierarchy?

(Multiple Choice)
4.8/5
(78)

The format of metadata depends on the software product that is processing the database.

(True/False)
4.9/5
(72)

Which of the following formations on a line in an E-R diagram means that the relationship need not have an entity of that type?

(Multiple Choice)
4.8/5
(72)

Relational databases represent relationships using ________.

(Multiple Choice)
4.8/5
(64)

The crow's-foot notation of an E-R diagram shows the maximum number of entities that can be involved in a relationship.

(True/False)
4.9/5
(70)

To modify an existing table, a developer opens the metadata form for that table and adds a new row of metadata.

(True/False)
4.7/5
(80)

Developers need to construct a data model before building a database.

(True/False)
4.8/5
(91)

Every table in a normalized database has a(n)________.

(Multiple Choice)
4.9/5
(74)
Showing 101 - 120 of 120
close modal

Filters

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