Related Questions

Which of the following indicates the minimum number of entities that must be involved in a relationship?
A Minimum cardinality
B Maximum cardinality
C ERD
D Greater Entity Count (GEC)
If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?
A Derived attribute
B Optional one cardinality
C Multi-valued attribute
D Weak entity
An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.
A True
B False
A ternary relationship involves how many entities?
A 3 or less
B 3
C More than 3
D 3 or more
If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on
A Too lean mixture
B Stoichiometric mixture
C Most economical mixture
D Too rich mixture
Entities can be associated with one another in which of the following?
A Entities
B Attributes
C Identifiers
D Relationships
Which of the following are the properties of entities?
A Groups
B Table
C Switchboard
D Attributes
Which of the following database activities determines the entities, attributes, and relationships of data?
A Conceptual data modeling
B Logical database design
C Physical database design and definition
D Database implementation
Which of the following situation requires the use of ID-dependent entities?
A Association relationships only
B Multivalued attributes only
C Archetype/instance relationships only
D All of the above use ID dependent entities
Which of the following is correct character entities for "Copyright" symbol?
A •
B Ÿ
C ©
D ³

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