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Database application for banking system

Description:

You are responsible to write a database application which acts as a simple banking system. This application must be able to do basic banking functions according to the specifications given below. This project must be implemented using DB2, Java, & JDBC.

Project Specification:

Section A: Schema Definition

P1.Customer (ID, Name, Gender, Age, Pin)

P1.Account (Number, ID, Balance, Type, Status)

-- All the attributes cannot be NULL.

-- Underlined attributes is denoted as the primary key of that relation.

-- Italicized attributes is system generated.

-- Attribute types and ranges:

- ID: integer (system generate starting from 100)

- Name: varchar(15)

- Gender: char (must be M or F only !!!)

- Age: integer (>= 0)

- Pin: integer (>= 0)

- Number: integer (system generate starting from 1000)

- Balance: integer (>= 0)

- Type: char (C for Checking, S for Saving)

- Status: char (A for Active, I for Inactive)

Section B: Data Administration & Manipulation

Screen # 1 (Title – Welcome to the Self Services Banking System! – Main Menu)

  1. New Customer
  2. Customer Login
  3. Exit

For #1, prompt for Name, Gender, Age, and Pin. System will return a customer ID if successful.

For #2, prompt for customer ID and pin to authenticate the customer. If user enters 0 for both customer ID & pin, then you will go straight to Screen #4.

Screen # 3 (Title – Customer Main Menu)

  1. Open Account
  2. Close Account
  3. Deposit
  4. Withdraw
  5. Transfer
  6. Account Summary
  7. Exit

For #1, prompt for customer ID, account type, and balance (Initial deposit). System will return an account number if successful.

For #2, change the status attribute to ‘I’ and empty the balance.

For #3, prompt for the account number and amount.

For #4, prompt for the account number and amount.

For #5, prompt for the source and destination account numbers and amount.

For #6, the total balance and each account number and its balance belong to the same customer.

For #7, go back to the previous menu.

Screen # 4 (Title – Administrator Main Menu)

  1. Account Summary for a Customer
  2. Report A :: Customer Information with Total Balance in Decreasing Order
  3. Report B :: Find the Average Total Balance Between Age Groups
  4. Exit

Note: The only way you can get to Screen #4 is by entering 0 as the ID and 0 as the pin in the customer login screen.

For #1, same function as #6 above except that you would need to input the customer ID explicitly.

For #2, you would display the customer ID, Name, Age, Gender, and total balance in decreasing order.

For #3, you prompt for a min & max age to display Average Age and Average Balance.

For #4, go back to the previous menu.

Section C: User Interfaces

  1. Command line interface described in Section B.
  2. If you feel GUI is easier, you can do in with GUI panels.

Section D: Additional Notes:

  1. The special administrator ID and Pin are inserted right together after your DDLs in create.sql.
  2. Customer IDs are created by the customers and by the administrator.
  3. The customer and administrator main menus are the top level menu after an operation.
  4. You can open an account for someone else but you cannot close someone else’s account.
  5. You can deposit into other people’s accounts but you can’t withdraw from them.
  6. You can transfer money from your account to someone else but not the reverse.
  7. All the range checking can be handled in DDL, triggers, or application. Application is the easier.
  8. Customer account summary should not include accounts in the closed state.
  9. For all the administrator reports, closed accounts will not be part of the reports.
  10. For database connections information, use a properties file.
  11. Must handle error condition gracefully.
  12. Hint: Define a view to compute total balance and query against the view for the reports.
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