If You Find a Many-To-Many Relationship,which of the Following Is

Multiple Choice

If you find a many-to-many relationship,which of the following is a guideline to be followed when creating an intersection relation?

A) Create a new E-R diagram (showing no cardinality) with the original two relations in the middle and a new one (the intersection relation) in the end.
B) Move the minimum cardinality appearing next to the left relation just to the left of the intersection relation.
C) Move the minimum cardinality appearing next to the right relation just to the right of the intersection relation.
D) The new minimum and maximum cardinalities for the two original relations will be one and one.