Mega Code Archive
The TRIM() function can trim spaces and characters or groups of characters
mysql>
mysql> SELECT TRIM(TRAILING 'XXX' FROM "FileName.XXX");
+------------------------------------------+
| TRIM(TRAILING 'XXX' FROM "FileName.XXX") |
+------------------------------------------+
| FileName. |
+------------------------------------------+
1 row in set (0.00 sec)
mysql>