What is the other term used for archetype objects?
a) version objects
b) association objects
c) subtype objects
d) archetype objects
What is the other term used for subtype objects?
a) version objects
b) association objects
c) parent objects
d) archetype objects
How are the E-R model and semantic object models similar?
a) neither strive to model
b) both see the concept of entity
c) they both see semantic objects
d) both are tools for understanding
The principal difference between E-R model and semantic model is…..
a) concept of entity and semantics
b) concept of semantics and entity
c) E-R models the user world
d) E-R model is tool for understanding
How many types of attributes?
a) one
b) two
c) three
d) four
Explanation: simple attribute, group attribute, semantic object attribute
Attributes that have a single element is called….
a) simple attribute
b) group attribute
c) semantic object attribute
d) paired attribute