/*ALIAS>l_data*/

/*SQLStart>667*/
UPDATE RDB$FIELDS SET RDB$FIELD_LENGTH=240, RDB$CHARACTER_LENGTH=240
  WHERE RDB$FIELD_NAME=(SELECT RDB$FIELD_SOURCE FROM RDB$RELATION_FIELDS
  WHERE RDB$RELATION_NAME='OBJECTS' AND  RDB$FIELD_NAME='O_BLOCK');
/*SQLStop*/
