You are reviewing a design for a database. A portion of this design is shown in the exhibit.
Note that you may choose to view either the Crow’s Foot Notation or Chen Notation version
of the design. (To view the Crow’s Foot Notation, click the Exhibit A button. To view the
Chen Notation, click the Exhibit B button.)
Which term is used to describe the relationship between Customer and Order?
A.
many-to-many
B.
multi-dimensional
C.
one-to-many
D.
one-to-one
E.
one-dimensional
Explanation:
one to many not one to one
One to many
Please explain how it is one to many and not one to one.
It should be one to many.
A one-to-many relationship is a type of cardinality that refers to the relationship between two entities A and B in which an element of A may be linked to many elements of B, but a member of B is linked to only one element of A. For instance, think of A as mothers, and B as children. A mother can have several children, but a child can have only one biological mother.