Create an ERD for each of the above statements that describe the current business rules for HTH. For each new statement being the business rule, extend the ERD to include the additional business rule...

Create an ERD for each of the above statements that describe the current business rules for HTH. For each new statement being the business rule, extend the ERD to include the additional business rule in the ERD (created in previous point for example; B will include A&B, C will include A, B & C, etc.)


Use Crows Foot notations and include all the following in each part:
• All entities with Primary key and any foreign key attributes;
• The relationships between entities;
• The cardinality and optionality of each relationship;
• Any M:N relationships are be resolved to 1:M relationships