Relational Table Architecture

Your website allows users to save their credit card information for making purchases.  The table in your database that stores user information has a column called CreditCardNumber.  As your site grows, you begin getting requests from users that want to store multiple card numbers, such as business credit cards.  You decide that adding an additional table dedicated to storing credit card information is a flexible solution to the problem, instead of adding additional columns as placeholders for people with multiple credit card numbers.  Enter “True” or “False” that that your decision was a good one:



  1. Click the play button to watch the video lesson.
  2. Watch the lesson as many times as needed.
  3. Code along with the instructor using the integrated code editor in the center of your screen.
  4. You can use the Run button beneath the code editor to test your code.
  5. Output from the code that you have written will appear in the panel on the right side of your screen.

If you get stuck or need assistance, you can click the button below to connect with a tutor. 

For additional questions or technical support, email