Database schema for Mobile Banking Application

Designing a database schema for a Mobile Banking Application involves capturing information related to users, accounts, transactions, and other relevant entities. Below is a basic example of a database schema for a Mobile Banking Application.

Entities:

  1. User:

    • UserID (Primary Key)
    • FirstName
    • LastName
    • Username
    • PasswordHash
    • Email
    • PhoneNumber
    • Address

  2. Account:

    • AccountID (Primary Key)
    • UserID (Foreign Key referencing User table)
    • AccountNumber
    • AccountType (e.g., savings, checking)
    • Balance
    • Currency
    • OpenDate

  3. Transaction:

    • TransactionID (Primary Key)
    • AccountID (Foreign Key referencing Account table)
    • TransactionType (e.g., deposit, withdrawal, transfer)
    • Amount
    • TransactionDate
    • Description
    • TargetAccountID (For transfers)

  4. Beneficiary:

    • BeneficiaryID (Primary Key)
    • UserID (Foreign Key referencing User table)
    • Name
    • AccountNumber
    • BankName
    • BranchName
    • SwiftCode

  5. Card:

    • CardID (Primary Key)
    • AccountID (Foreign Key referencing Account table)
    • CardNumber
    • CardHolderName
    • ExpiryDate
    • CVV

  6. Loan:

    • LoanID (Primary Key)
    • UserID (Foreign Key referencing User table)
    • AccountID (Foreign Key referencing Account table)
    • LoanAmount
    • InterestRate
    • InstallmentAmount
    • LoanStatus (e.g., approved, pending, rejected)

  7. Notification:

    • NotificationID (Primary Key)
    • UserID (Foreign Key referencing User table)
    • Message
    • NotificationDate
    • IsRead (boolean)

This schema covers the basic entities needed for a Mobile Banking Application. Here are some explanations:

  • Users have personal information stored, including their username, password hash, email, phone number, and address.
  • Accounts represent individual bank accounts associated with users, with details like account number, type, balance, and open date.
  • Transactions record the financial activities on user accounts, including types such as deposit, withdrawal, and transfers.
  • Beneficiaries are individuals or entities added by users for quick access during fund transfers.
  • Cards represent debit or credit cards associated with user accounts.
  • Loans capture information about loans taken by users, including loan amount, interest rate, installment amount, and loan status.
  • Notifications inform users about important events or updates in their accounts.

Depending on the specific requirements of your Mobile Banking Application, you may need to expand or modify this schema. Consider additional features such as security features, two-factor authentication, payment processing, budgeting tools, or any other information relevant to your mobile banking platform. Additionally, ensure that your system adheres to security and regulatory standards for financial applications.