Exam 5: Data Resource Management

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

Having data in independent files makes it easier to provide end users with information for ad hoc requests.

Free
(True/False)
4.8/5
(32)
Correct Answer:
Verified

False

A weakness in the network model is that it cannot handle _______________ for information.

Free
(Short Answer)
4.9/5
(40)
Correct Answer:
Verified

ad hoc requests

The project operation is used to create a subset of the columns contained in the temporary tables created by the select and join operations.

Free
(True/False)
4.8/5
(33)
Correct Answer:
Verified

True

Database administrators and database design analysts work with end users and systems analysts to do all of the following except:

(Multiple Choice)
4.9/5
(41)

According to the textbook case, file processing in Hadoop is not halted by hardware failures because _______________.

(Multiple Choice)
4.8/5
(39)

Distributed databases require fewer resources when it comes to computing power and bandwidth.

(True/False)
4.8/5
(36)

A data model serves as a logical framework on which to base the physical design of a database.

(True/False)
4.9/5
(43)

Object technology allows designers to do all of the following except:

(Multiple Choice)
4.8/5
(38)

In mainframe and server computer systems, the database management system controls the _______________ of the databases of computer-using organizations.

(Multiple Choice)
4.7/5
(39)

Files are frequently classified by the application for which they are primarily used, such as a payroll file or an inventory file.

(True/False)
4.8/5
(37)

Using a relational database, a user can temporarily combine two or more tables so that he/she can see relevant data in a form that looks like it is in one big table. This is the _______________ operation.

(Multiple Choice)
4.9/5
(40)

Which of the following is a legitimate use for data mining?

(Multiple Choice)
4.9/5
(36)

DBMS packages play a major role in application development.

(True/False)
4.8/5
(42)

Databases contain data elements that describe both entities and the relationships among entities.

(True/False)
4.9/5
(42)

A major benefit of multidimensional databases is that they are a compact and easy-to-understand way to visualize and manipulate data elements that have many interrelationships.

(True/False)
4.8/5
(37)

The multidimensional database structure is considered one of the key technologies of a new generation of Web-based applications.

(True/False)
5.0/5
(41)

_______________ contain both a variable number of fields and variable field lengths.

(Short Answer)
4.8/5
(31)

The _______________ operation is used to create a subset of the columns contained in the temporary tables created by the select and join operations.

(Short Answer)
4.9/5
(28)

The physical design stage of database development:

(Multiple Choice)
4.7/5
(35)

The database maintenance process is accomplished via:

(Multiple Choice)
4.9/5
(33)
Showing 1 - 20 of 119
close modal

Filters

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