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Reserved words are words used within database and
application development software in order to name the objects and procedures
that are built into the development environment. If you use these reserved
words to name your own application and database objects, your application may
become "confused" about which object you were refering to, which can lead to
unexpected results or system failure.
For example, if you created a field named "Date" to store
the date that new records were created and there is also a Date function within
your application development environment, the software will have to make a
decision about what you meant based on the context where the name is used. Most
applications allow you to add delimiters to your object names to tell the
software what you mean but that can slow down your programming efforts and make
your code harder to write and understand.
To avoid problems altogether, use names that aren't reserved
words. In the example above you could use names like DateCreated or
CreationDate.
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