MPCS 43949

subject Type Homework Help
subject Pages 5
subject Words 449
subject Authors Stephen Morris

Unlock document.

This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
page-pf1
Denormalization produces a lower normal form.
____________________ is a measurement of the density of the data held in the data
cube and is computed by dividing the total number of actual values in the cube by the
total number of cells in the cube.
Fortunately, the problems inherent in the ____________________ relationship can
easily be avoided by creating a composite entity.
What are some reasons for studying file systems?
page-pf2
The initial costs of using cloud services tend to be significantly higher than building
on-premise IT infrastructures.
After testing is concluded, end-user training is not necessary.
The maintenance activities of the DBA are an extension of the operational activities.
page-pf3
A design trap occurs when a relationship is improperly or incompletely identified and is
therefore represented in a way that is not consistent with the real world.
The relational operators have the property of ____________________; that is, the use
of relational algebra operators on existing relations (tables) produces new relations.
When indicating cardinality, the first value represents the ____________________
number of associated entities.
page-pf4
In the OLE-DB model, the ____________________ acts like a data consumer of the
data provider and as a data provider for the data consumer (end-user application).
A(n) ____________________ is performed when data is retrieved from more than one
table at a time.
To analyze the company situation, the database designer must discover what the
company's operational components are, how they function, and how they interact.
The network model has structural level dependence.
page-pf5
Attributes cannot share a domain.

Trusted by Thousands of
Students

Here are what students say about us.

Copyright ©2022 All rights reserved. | CoursePaper is not sponsored or endorsed by any college or university.