WGU C170 Terms.|Latest Update Complete with A+ Graded Answers
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Course
Data Management C170
Institution
Data Management C170
WGU C170 Terms.|Latest Update Complete with A+ Graded Answers
Associative Entity
All relationships for the (...) entity should be many.
Attribute
An (...) is a property or characteristic of an entity.
Binary relationship
A (...) is a relationship between two entity types.
Cardina...
WGU C170 Terms.|Latest Update Complete
with A+ Graded Answers
Associative Entity
All relationships for the (...) entity should be many.
Attribute
An (...) is a property or characteristic of an entity.
Binary relationship
A (...) is a relationship between two entity types.
Cardinality
(...) represents the maximum number of entities that can be involved in a particular relationship.
Cascade Delete
Will delete all records that reference the primary key
Database
A (...) is a collection of information that is organized so that it can easily be accessed, managed, and
updated.
E-R model
An (...) is a data model for describing a database in an abstract way.
Entity
An (...) is an object or event in our environment that we want to keep track of.
Intersection Data
Associated with the concatenation of two segments
Modality
(...) represents the minimum number of entity occurrences that can be involved in a relationship.
Ternary Relationship
A (...) relationship is when three entities participate in the relationship.
Unary Relationships
(...) relationships associate occurrences of an entity type with other occurrences of the same entity
type.
Unique Identifier
A (...) is any identifier which is guaranteed to be unique among all identifiers used for those objects
and for a specific purpose.
, Data encryption
When data is (...), it is changed, bit by bit or character by character, into a form that looks totally
garbled. It can and must be reconverted, or decrypted, back to its original form to be of use.
Data normalization
Is a methodology for organizing attributes into tables so that redundancy among the non-key
attributes is eliminated.
Data volatility
Describes how often stored data is updated.
Data Volume Assessment
Understanding of how much data will be in a database or a table within a database
Denormalization
The act of duplicating data in a database for performance or the preservation of historical information
Disaster recovery
Involves rebuilding an entire information system or significant parts of one after a catastrophic
natural disaster such as a hurricane, tornado, earthquake, building collapse, or even a major fire
Index
Used to help a DBMS find data quickly
Logical view
Is a mapping onto a physical table or tables that allows an end user to access only a specified portion
of data.
Response time
Is the delay from the time that the Enter Key is pressed to execute a query until the result appears on
screen.
Throughput
Is the measure of how many queries from simultaneous users must be satisfied in a given period of
time by the application set and the database that it supports.
Client/server architecture
(...) architecture is a network architecture in which the server manages services consumed by the
client. It is also known as two-tier architecture.
Database directory
(...) is an organized repository of databases that stores attributes such as the database character set
and collation.
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