use test; DROP TABLE IF EXISTS test; CREATE TABLE test ( ID_test varchar(10) binary NOT NULL default '', foo tinyint(1) unsigned NOT NULL default '0', PRIMARY KEY (ID_test), KEY foo (foo) ) TYPE=MyISAM PACK_KEYS=1; INSERT INTO test (ID_test, foo) VALUES ('0000000010', 0), ('000000000Z', 0), ('000000001d', 0), ('000000001b', 0), ('000000001e', 0), ('000000000T', 0), ('000000000P', 0), ('0000000019', 0), ('0000000011', 1), ('000000000X', 1), ('000000000c', 0), ('000000000O', 0), ('000000000a', 0), ('000000000k', 0), ('0000000002', 1), ('000000001m', 0), ('0000000007', 0), ('000000000W', 0), ('000000001c', 1), ('0000000009', 0), ('000000000r', 0), ('000000000s', 1), ('0000000017', 0), ('000000001a', 0), ('000000001i', 0), ('000000001g', 0), ('000000001h', 0), ('000000001r', 0), ('000000001p', 0), ('000000001l', 0), ('000000001n', 0), ('000000001o', 0), ('000000001q', 0), ('000000001t', 0), ('000000001s', 0), ('000000001u', 0), ('000000001v', 0), ('000000001w', 0), ('000000001x', 0), ('000000001y', 0), ('000000001A', 0), ('000000001z', 0), ('000000001B', 0), ('000000001G', 0), ('000000001C', 0), ('000000001D', 0), ('000000001E', 1), ('000000001F', 0), ('000000001U', 0), ('000000001H', 0), ('000000001I', 0), ('000000001J', 0), ('000000001K', 0), ('000000001L', 0), ('000000001M', 0), ('000000001N', 0), ('000000001S', 0), ('000000001T', 0), ('000000002b', 1), ('0000000022', 0), ('0000000021', 0), ('000000001V', 0), ('000000001W', 0), ('000000001X', 0), ('000000001Y', 0), ('0000000025', 0), ('0000000026', 0), ('0000000027', 0), ('0000000028', 0), ('000000002d', 1), ('0000000029', 0), ('000000002a', 0), ('000000002g', 1), ('000000002c', 0), ('000000002k', 0), ('000000002e', 1), ('000000002h', 1), ('000000002j', 0), ('000000002l', 0), ('000000002m', 1), ('000000002q', 0), ('000000002p', 0), ('000000002x', 0), ('000000002r', 1), ('000000002u', 0), ('000000002v', 1), ('000000002w', 0), ('000000002z', 0), ('000000002y', 1); SELECT * FROM test ORDER BY foo DESC; # ID_test foo # 000000002r 1 # 000000002h 1 # 000000002e 1 # 000000001c 1 # 000000001E 1 # 000000002g 1 # 000000000s 1 # 000000002b 1 # 000000002d 1 # 000000002y 1 # 0000000002 1 # 000000002m 1 # 000000002v 1 # 000000000X 1 # 0000000011 1 # 0000000022 0 # 000000001U 0 # 0000000021 0 # 000000001V 0 # 000000001T 0 # 000000001W 0 # 000000001M 0 # 000000001H 0 # 000000001I 0 # 000000001J 0 # 000000001K 0 # 000000001S 0 # 000000001L 0 # 000000001N 0 # 000000001X 0 # 000000001Y 0 # 000000002w 0 # 000000002u 0 # 0000000026 0 # 000000002x 0 # 000000002p 0 # 000000002q 0 # 000000002l 0 # 000000002j 0 # 000000002k 0 # 000000002c 0 # 000000002a 0 # 0000000029 0 # 0000000028 0 # 0000000027 0 # 0000000025 0 # 000000002z 0 # 000000001F 0 # 0000000010 0 # 000000000k 0 # 000000001m 0 # 0000000007 0 # 000000000W 0 # 0000000009 0 # 000000000r 0 # 0000000017 0 # 000000001a 0 # 000000000a 0 # 000000000O 0 # 000000000Z 0 # 000000001d 0 # 000000001b 0 # 000000001e 0 # 000000000T 0 # 000000000P 0 # 0000000019 0 # 000000000c 0 # 000000001i 0 # 000000001g 0 # 000000001h 0 # 000000001w 0 # 000000001x 0 # 000000001y 0 # 000000001A 0 # 000000001z 0 # 000000001B 0 # 000000001G 0 # 000000001C 0 # 000000001v 0 # 000000001u 0 # 000000001r 0 # 000000001p 0 # 000000001l 0 # 000000001n 0 # 000000001o 0 # 000000001q 0 # 000000001t 0 # 000000001s 0 # 000000001D 0