2.3 Robust Programs

2.3 Robust Programs

1. Data Validation

   • Does not make data accurate
     • Validation - presence check
   • Technique to make something accurate is verification
   • Verification can mean put it in twice or visual checks
   • Dual entry makes verification accurate
   • Test data
     • Normal
     • Extreme
     • Erroneous

2. Data Sanitation

   • Reduces Waste
   • Making sure inputs can be processed

3. Authication

   • Username + Password
     • whats the plan that the company has
   • Resetting
   • Security question

4. Testing

   • Interative
     • constantly checking the system is working when programming