Write SQL to define data structures which could help us track transactions. Question 2 - User Settings A user profile has 8 boolean settings which determines their functionality.

1 - SMS Notifications Enabled

2 - Push Notifications Enabled

3 - Bio-metrics Enabled

4 - Camera Enabled

5 - Location Enabled

6 - NFC Enabled

7 - Vouchers Enabled

8 - Loyalty Enabled Question 2.1 Checking if a feature is enabled If a users settings were represented as a string where each position represents a different setting. Write a function which can determine if user has a specific feature enabled. Test cases:

Input: settings = 00000000, setting = 7

Output: false

Input: settings = 00000010, setting = 7

Output: true Input: settings = 11111111, setting = 4

Output: true Question 2.2 Storing user settings Write some functions which can read and write the settings to a file in the least amount of space.