Do you know what is database management? Database management allows the user to organize, store and retrieve information from a computer. It can also describe the data storage, operations, and security practices of a database administrator. This quiz will require you to know things like how entity subtypes and supertypes are organized in a specialization hierarchy and important inheritance characteristics. This quiz will teach you about database management and what it entails.
True
False
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True
False
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Unique values
Nonintelligent
Preferably single-attribute
Security complaint
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Primary
Natural
Foreign
Surrogate
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True
False
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Primary
Natural
Foreign
Surrogate
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True
False
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True
False
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True
False
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Redundant
Duplicated
Time-variant
Supertype
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True
False
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True
False
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A single abstract entity object
Multiple abstract entity object
A single entity object
Multiple entity objects
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Specialization
Generalization
Partial completeness
Total completeness
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True
False
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True
False
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Entity
Subtypes
Unique
Nonunique
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Not equality
Less than
Greater than
Equality
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Entities
Naming conventions
Relationships
Attributes
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Subtype discriminator
Inheritance
Specialization hierarchy
Entity supertype
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Foreign
Composite
Natural
Surrogate
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True
False
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A subtype discriminator
Inheritance
A specialization hierarchy
An entity supertype
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True
False
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Subtype discriminator
Inheritance
Specialization hierarchy
Entity supertype
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Zero
Only one
One or many
Many
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Use the same primary key for both entities
Create a bridge entity
Place a foreign key in one of the entities
Place a foreign key in both entities
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Attribute
Entity instance or row
Entity subtype
Natural identifier
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Time-sensitive
Time-variant
Historical
Change-based
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True
False
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Unique values
Nonintelligent
Preferably single-attribute
Security complaint
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Entity relationship model
Enhanced entity relationship model
Entity clustering relationship model
Extended entity relationship diagram
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Entity
Subtypes
Unique
Nonunique
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Primary
Natural
Foreign
Surrogate
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Surrogate primary keys
Time-variant data
Design trap
Fan trap
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Zero
Only one
One or many
Many
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Self-referring
1:1
1:M
M:N
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Unique values
Nonintelligent
Preferably single-attribute
Security complaint
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0:1
1:1
1:M
M:N
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True
False
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Subtype discriminator
Inheritance
Specialization hierarchy
Entity supertype
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True
False
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True
False
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True
False
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Primary
Natural
Foreign
Composite
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Subtype discriminator
Inheritance discriminator
Specialization hierarchy
Entity supertype
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Foreign key
Combination key
Surrogate key
Natural identifier
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True
False
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