What is the most difficult step when designing the appropriate structure of a relational datab

Removing one$-$to$-$many relationships

Removing one$-$to$-$one relationships

Removing many$-$to$-$many relationships

Removing many$-$to$-$one relationships

All of the following are normalization rules, except:

Eliminating repeating groups or many$-$to$-$many relationships

Assuring that each field in a relation depends only on the primary key for that relation

Removing all derived fields from the relations

Creating the database

If a relationship exists between two entity classes, the database designer should also specify the numeric

Intersection relation

Minimum and maximum cardinality

degree

Minimum degree and maximum relation

If a relationship exists between two entity classes, the database designer should also specify the numeric

Intersection relation

Minimum and maximum cardinality

degree

Minimum degree and maximum relation

If a relationship exists between two entity classes, the database designer should also specify the numeric

Intersection relation

Minimum and maximum cardinality

degree

Minimum degree and maximum relation