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Chapter 31. Survey of Web Databases > Debugging Database Applications

Debugging Database Applications

One of the biggest problems when dealing with databases on the Web is trying to fix any problems that might occur when you are writing your script. You can have problems because of a bug in your script or because of an improper query.

The best way to see whether the problem lies within your script is to create a copy of the script that includes dummy variables—variables that contain information as if a visitor actually entered something into a form. Using the previous scripts, for example, you can create a set of variables that mimics information that a visitor might have entered:


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