(Solved): DATABASE MANGEMENT Figure below shows an EER d diagram for a simplified credit card environn1ent. ...

DATABASE MANGEMENT

Figure below shows an EER d diagram for a simplified credit card environn1ent. There are two types of card accounts: debit cards and credit cards. Credit card accounts accumulate charges with merchants. Each charge is identified by the date and time of the charge as well as the primary keys of merchant and credit card.