## Customers

customer_id | first_name | last_name | email | phone_number
--- | --- | --- | --- | ---
1 | John | Doe | john.doe@example.com | +123-456-7890
2 | Jane | Smith | jane.smith@example.com | +098-765-4321
3 | Michael | Brown | michael.brown@example.com | +456-789-0123
4 | Alice | White | alice.white@example.com | +135-790-2468
5 | David | Black | david.black@example.com | +246-890-1357

## Accounts

account_id | customer_id | account_type | balance
--- | --- | --- | ---
| (→ Customers.customer_id) |  |
1 | None | Checking | 1000.0
2 | None | Savings | 5000.0
3 | None | Credit Card | 2000.0
4 | None | Loan | -1500.0
5 | None | Mortgage | -20000.0

## Mobile_Banking_App

app_id | app_version | release_date | platform
--- | --- | --- | ---
1 | v1.0 | 2021-01-01 | Android
2 | v1.1 | 2021-05-01 | iOS
3 | v1.2 | 2021-07-01 | Android
4 | v1.3 | 2021-11-01 | iOS
5 | v1.4 | 2022-01-01 | Android

## Features

feature_id | feature_value
--- | ---
1 | Mobile Deposit
2 | Bill Pay
3 | Person to Person Payment
4 | Fund Transfer between accounts
5 | Account Alerts

## Mobile_Banking_App_Features

mobile_app_feature_id | mobile_banking_app_id | feature_id
--- | --- | ---
| (→ Mobile_Banking_App.app_id) | (→ Features.feature_id)
None | 1 | 1
None | 2 | 1
None | 3 | 1
None | 4 | 1
None | 5 | 1
None | 5 | 2