Data Modeling Challenges
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Questions and Answers

Database management involves the proper generation, storage, and retrieval of ______.

data

A ______ is a shared, integrated computer structure that stores a collection of data.

database

File systems store data as a collection of ______.

files

[Blank] is the result of processing raw data to reveal its meaning.

<p>information</p> Signup and view all the answers

Data-modeling skills are vital in the data design process because good data modeling facilitates communication between the ______, user, and the developer

<p>designer</p> Signup and view all the answers

Most users lack the skill to properly design ______, despite multiple personal productivity tools being available

<p>databases</p> Signup and view all the answers

The ______ is the intermediary between the user and the database.

<p>DBMS</p> Signup and view all the answers

DBMS enables data to be shared among multiple ______ or applications.

<p>users</p> Signup and view all the answers

Database Systems Database system consists of logically related data stored in a single logical ______ repository

<p>data</p> Signup and view all the answers

Data ______ occurs when different versions of the same data appear in different places.

<p>inconsistency</p> Signup and view all the answers

Data designs created by end users are rarely ______ and never with appropriate standardized data –modeling technique

<p>documented</p> Signup and view all the answers

Improved data ______ is one of the advantages of a DBMS.

<p>security</p> Signup and view all the answers

Using databases changed the way end users store, access and manage data using ______

<p>DBMS</p> Signup and view all the answers

A ______ database supports multiple users at the same time.

<p>multiuser</p> Signup and view all the answers

People naturally have an integrated view of data and forcing this into single 2-dimensional structure is poor ______ design

<p>data</p> Signup and view all the answers

A ______ database stores data used for tactical or strategic decisions.

<p>data warehouse</p> Signup and view all the answers

Changing existing ______ is difficult in file system environments.

<p>structure</p> Signup and view all the answers

[Blank] dependence occurs when data access changes when data storage characteristics change.

<p>Data</p> Signup and view all the answers

In a file system, ______ redundancy occurs when the same data is stored unnecessarily in different places.

<p>Data</p> Signup and view all the answers

Uncontrolled ______ redundancy can lead to poor data security and data inconsistency.

<p>Data</p> Signup and view all the answers

Data ______ occurs when not all changes in redundant data are made correctly.

<p>anomalies</p> Signup and view all the answers

[Blank] independence means data storage characteristics do not affect data access.

<p>Data</p> Signup and view all the answers

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