Apache / PHP Page built from a MySQL Database Diplay Problems

Here is the basic scenario: - Configuration data is gathered from Oracle servers then ftp'd to my apache / mysql server. - The apache / mysql server receives the datafile from the Oracle clients and loads the data into a MySQL database. - The webpages are coded using PHP, SQL, and some JavaScript. Now here is where it gets weird.... - When the data is displayed (pages are based upon the configuration of each Oracle <server-name>+<database-instance-name>, some times the data displays other times the page is simply blank? It is only for a few out of the many that we have in the MySQL database. It is always the same ones with the problem. Re-loading the data for those problem <server-name>+<database-instance-name> does not fix it. Anyone see this before? Could it be a special character that the web browser cannot handle? I am at a loss on this one. Any advice on the problem and how to trouble shoot would be appreciated! Mitch