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Consider the following BANK Entity - Relationship schema. Suppose that it is necessary to keep track of different types of ACCOUNTS ( SAVINGS , CHECKING,

Consider the following BANK Entity-Relationship schema. Suppose that it is necessary to keep track of different types of ACCOUNTS (SAVINGS, CHECKING, TRUST, ..) and LOANS (CAR, HOME, CREDIT_LINE, PERSONAL). Suppose that it is also desirable to keep track of each account's TRANSACTIONs (deposits, withdrawals, checks) and each loan's PAYMENTs (cash, check, credit card); both of these include the amount, date, and type.
Show how you would modify this BANK schema, using ER and EER concepts of specialization and generalization. State any assumptions you make about the additional requirements.
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