WGU C175/D426 DATA MANAGEMENT EXAM REVIEW WITH COMPLETE
SOLUTIONS 100% VERIFIED 2025-2026!!
Metadata - ANSWER>>Metadata is data about data through which the end-user data
are integrated and managed.
Information - ANSWER>>Information is the result of processing raw data to reveal its
meaning.
Data redundancy Data redundancy exists when the same data are stored unnecessarily
at different places.
DBMSs DBMSs act as an intermediary between the user and the database.
its expected use The way in which data are organised into folders on a manual file is
based upon its expected use.
Analytical - ANSWER>>Analytical databases primarily store data used to generate
information required for making tactical or strategic decisions.
data - ANSWER>>Information is obtained from processed data.
query - ANSWER>>A query is a particular request provided to the DBMS for data
manipulation.
formatted - ANSWER>>Raw data should be in proper format for storage, processing
and representation.
record - ANSWER>>A record is a logically connected set of one or more fields that
describes a person, place, or thing.
data anomaly - ANSWER>>A(n) data anomaly develops when all required changes in the
redundant data are not made successfully.
Structured data - ANSWER>>Structured data are the result of formatting disorganized
,data in order to facilitate storage, use and generation of information.
Unstructured - ANSWER>>Unstructured data exist in the format in which they were
collected.
context - ANSWER>>To convey meaning, information must have context.
raw facts of interest to the end user - ANSWER>>End-user data consists of raw facts of
interest to the end user.
ad hoc query - ANSWER>>A(n) ad hoc query is a question posed on the spur of the
moment.
enterprise - ANSWER>>An enterprise database is used by an organization and
supports many users across many departments.
file - ANSWER>>A file is a collection of related records.
workgroup - ANSWER>>A workgroup database supports a relatively small number of
users-usually less than 50-or a specific department within an organization.
structured - ANSWER>>semistructured
desktop - ANSWER>>workgroup
spreadsheet applications - ANSWER>>They enhance the user's ability to understand
the data.
database system - ANSWER>>The term denotes organization of components that
define and govern the collection, storage, management and usage of data within the
,environment of database.
islands of information - ANSWER>>Describing locations which are scattered while
storing the same basic data.
In-memory databases - ANSWER>>The database refers to the class storing the
lion-share of their data in RAM rather than in hard disks.
Database programming languages - ANSWER>>Receive all application requests and
translate them into the complex operations needed to process those requests.
Data independence - ANSWER>>Exists when changes can be made in the
characteristics of data storage without affecting the ability of an application program to
access the data.
hierarchical model - ANSWER>>One of the limitations of the model is that there is a
lack of standards.
entity - ANSWER>>Represents some type of real-world object.
True or False - ANSWER>>Even with a good database blueprint, an applications
programmer's view of the data should be the same as the manager's and the end user's.
data model - ANSWER>>A relatively simple representation of more complex real-world
data structures.
entity relationship model - ANSWER>>The model was developed to allow designers to
use a graphical tool to examine structures rather than describing them with text.
Constraints - ANSWER>>Are normally expressed in the form of rules.
, Name node - ANSWER>>Which of the following types of HDFS nodes stores all the
metadata about a file system?
relational data model - ANSWER>>MySQL is an example of the.
object-oriented data model - ANSWER>>It is also known as the semantic data model.
network model - ANSWER>>User perceives database as a collection of records that
are related to each other in 1:M relationships, each record may have multiple parents.
-data manipulation language (DML) - ANSWER>>Is the environment where data
management may be performed through manipulation or processing and has been used
with the data contained within the database.
business rule - ANSWER>>A clear, concise, and unambiguous description of a policy,
procedure, or principle within some organization.
tuple - ANSWER>>Each row in a relation is called a(n).
Crow's Foot notation - ANSWER>>The three pronged symbol designates the 'many'
side of the relationship.
schema - ANSWER>>The overall structure of an entire database as viewed by a DBA.
class - ANSWER>>A set of similar objects with a common structure and behavior.
relationship - ANSWER>>A verb linking two nouns in a business rule is equivalent to
a(n) in the data model.
1980s - ANSWER>>The object-oriented data model was developed in the.
SOLUTIONS 100% VERIFIED 2025-2026!!
Metadata - ANSWER>>Metadata is data about data through which the end-user data
are integrated and managed.
Information - ANSWER>>Information is the result of processing raw data to reveal its
meaning.
Data redundancy Data redundancy exists when the same data are stored unnecessarily
at different places.
DBMSs DBMSs act as an intermediary between the user and the database.
its expected use The way in which data are organised into folders on a manual file is
based upon its expected use.
Analytical - ANSWER>>Analytical databases primarily store data used to generate
information required for making tactical or strategic decisions.
data - ANSWER>>Information is obtained from processed data.
query - ANSWER>>A query is a particular request provided to the DBMS for data
manipulation.
formatted - ANSWER>>Raw data should be in proper format for storage, processing
and representation.
record - ANSWER>>A record is a logically connected set of one or more fields that
describes a person, place, or thing.
data anomaly - ANSWER>>A(n) data anomaly develops when all required changes in the
redundant data are not made successfully.
Structured data - ANSWER>>Structured data are the result of formatting disorganized
,data in order to facilitate storage, use and generation of information.
Unstructured - ANSWER>>Unstructured data exist in the format in which they were
collected.
context - ANSWER>>To convey meaning, information must have context.
raw facts of interest to the end user - ANSWER>>End-user data consists of raw facts of
interest to the end user.
ad hoc query - ANSWER>>A(n) ad hoc query is a question posed on the spur of the
moment.
enterprise - ANSWER>>An enterprise database is used by an organization and
supports many users across many departments.
file - ANSWER>>A file is a collection of related records.
workgroup - ANSWER>>A workgroup database supports a relatively small number of
users-usually less than 50-or a specific department within an organization.
structured - ANSWER>>semistructured
desktop - ANSWER>>workgroup
spreadsheet applications - ANSWER>>They enhance the user's ability to understand
the data.
database system - ANSWER>>The term denotes organization of components that
define and govern the collection, storage, management and usage of data within the
,environment of database.
islands of information - ANSWER>>Describing locations which are scattered while
storing the same basic data.
In-memory databases - ANSWER>>The database refers to the class storing the
lion-share of their data in RAM rather than in hard disks.
Database programming languages - ANSWER>>Receive all application requests and
translate them into the complex operations needed to process those requests.
Data independence - ANSWER>>Exists when changes can be made in the
characteristics of data storage without affecting the ability of an application program to
access the data.
hierarchical model - ANSWER>>One of the limitations of the model is that there is a
lack of standards.
entity - ANSWER>>Represents some type of real-world object.
True or False - ANSWER>>Even with a good database blueprint, an applications
programmer's view of the data should be the same as the manager's and the end user's.
data model - ANSWER>>A relatively simple representation of more complex real-world
data structures.
entity relationship model - ANSWER>>The model was developed to allow designers to
use a graphical tool to examine structures rather than describing them with text.
Constraints - ANSWER>>Are normally expressed in the form of rules.
, Name node - ANSWER>>Which of the following types of HDFS nodes stores all the
metadata about a file system?
relational data model - ANSWER>>MySQL is an example of the.
object-oriented data model - ANSWER>>It is also known as the semantic data model.
network model - ANSWER>>User perceives database as a collection of records that
are related to each other in 1:M relationships, each record may have multiple parents.
-data manipulation language (DML) - ANSWER>>Is the environment where data
management may be performed through manipulation or processing and has been used
with the data contained within the database.
business rule - ANSWER>>A clear, concise, and unambiguous description of a policy,
procedure, or principle within some organization.
tuple - ANSWER>>Each row in a relation is called a(n).
Crow's Foot notation - ANSWER>>The three pronged symbol designates the 'many'
side of the relationship.
schema - ANSWER>>The overall structure of an entire database as viewed by a DBA.
class - ANSWER>>A set of similar objects with a common structure and behavior.
relationship - ANSWER>>A verb linking two nouns in a business rule is equivalent to
a(n) in the data model.
1980s - ANSWER>>The object-oriented data model was developed in the.
