We apply a database model (e.g., the relational model) to our database design at which point...
We apply a database model (e.g., the relational model) to our database design at which point in the lifecycle?
a. As part of the conceptual -> logical design transition
b. As part of the logical - > physical design transition
c. As part of the physical -> implementation transition
d. As part of the requirements definition -> conceptual design transition
Homework Answers
conceptual model is establishing the entities, their attributes,
and their relationships. (E-R diagram)
Logical data model defines the structure of the data elements and
set the relationships between them.(the relational model)
We apply a database model (e.g., the relational model) to our
database design
(a) As part of the conceptual -> logical design transition
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