A table with a column big5 char(2) not null primary key. $target->query("delete from canton"); for ($ii=0; $ii<256; $ii++) { for ($jj=0; $jj<256; $jj++) { echo $ii .".". $jj . "\n"; $query="insert into canton ( big5 ) values ( '" . mysql_real_escape_string(chr($ii).chr($jj)) . "' )"; $target->query($query); } } The program died with this output: 0.92 0.93 0.94 0.95 0.96 0.97 Duplicate entry '' for key 1 The character strings shouldn't be repeated. Why did it stop at (0,97)? -- .~. Might, Courage, Vision. SINCERITY. http://www.linux-sxs.org / v \ /( _ )\ (Ubuntu 5.10) Linux 2.6.14.4 ^ ^ 22:15:01 up 8 days 11:12 load average: 0.02 0.06 0.10 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php