Best Practices Adding/Removing From DB

The user has total control over their web browser - this is true for all web apps.

So access to data must be controlled by the server. See the Security Model section of the reference docs for more information.


Regarding your specific error, it sounds like you have tried to access a column that does not exist. If you are able to provide some more information, we may be able to identify your problem more precisely.

Here are some tips on getting accurate answers to your questions: