Omar Campos wrote:
> I get the next warning:
> Warning: mysql_num_rows(): supplied argument is not a valid MySQL result
> resource in /home/olimpiad/public_html/base/alta1.php on line 34

This usually means that the SQL query failed. You can check the value 
returned by mysql_query to see if this is the case - it will be FALSE if 
it failed. In this case my guess would be that the backticks are not 
valid string delimeters.


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