A) Convert this data model to a database design (visual representation). B) Specify primary keys, foreign keys, and alternative keys C) Specify data types D) Specify Null/NOT NULL constraints E) Specify unique constraints. As a database designer, you need to decide wither to use surrogate keys or not. Document your minimum cardinality enforcement using referential integrity actions for required parents, if any, and the for required children, if any. if a department primary key is changed all children foreign key values are changed. A department can't be deleted if it has employees belonging to it