I have a web page interface to a mysql database. In this web page I have
about a dozen form input fields. On submit these are submitted to
multiple tables, a differant table for each input field. If I leave any
fields blank, and insert only some of the fields, the database will
insert an empty row to all the effected tables that didn't have any data
from the input fields. 

I have another page that generates graphs from the tables, the empty
rows show up as breaks in the graphs lines, if I manually delete all the
empty rows the graphs work fine.

What do I need to do to prevent these empty rows from being written to
the tables? 

chip w

(my web server died and the hard drive crashed hard, and is running from
an incomplete backup on another machine, what a drag) :-(

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