drop table if exists t1,t2,t3,t4,t5,t6; drop database if exists mysqltest; CREATE TABLE t1 (a varchar(30) binary NOT NULL DEFAULT ' ', b varchar(1) binary NOT NULL DEFAULT ' ', c varchar(4) binary NOT NULL DEFAULT '0000', d tinyblob NULL, e tinyblob NULL, f tinyblob NULL, g tinyblob NULL, h tinyblob NULL, i tinyblob NULL, j tinyblob NULL, k tinyblob NULL, l tinyblob NULL, m tinyblob NULL, n tinyblob NULL, o tinyblob NULL, p tinyblob NULL, q varchar(30) binary NOT NULL DEFAULT ' ', r varchar(30) binary NOT NULL DEFAULT ' ', s tinyblob NULL, t varchar(4) binary NOT NULL DEFAULT ' ', u varchar(1) binary NOT NULL DEFAULT ' ', v varchar(30) binary NOT NULL DEFAULT ' ', w varchar(30) binary NOT NULL DEFAULT ' ', x tinyblob NULL, y varchar(5) binary NOT NULL DEFAULT ' ', z varchar(20) binary NOT NULL DEFAULT ' ', a1 varchar(30) binary NOT NULL DEFAULT ' ', b1 tinyblob NULL) ENGINE=InnoDB DEFAULT CHARACTER SET = latin1 COLLATE latin1_bin; INSERT into t1 (b) values ('1'); SHOW WARNINGS; Level Code Message SELECT * from t1; a b c d e f g h i j k l m n o p q r s t u v w x y z a1 b1 1 0000 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL CREATE TABLE t2 (a varchar(30) binary NOT NULL DEFAULT ' ', b varchar(1) binary NOT NULL DEFAULT ' ', c varchar(4) binary NOT NULL DEFAULT '0000', d tinyblob NULL, e tinyblob NULL, f tinyblob NULL, g tinyblob NULL, h tinyblob NULL, i tinyblob NULL, j tinyblob NULL, k tinyblob NULL, l tinyblob NULL, m tinyblob NULL, n tinyblob NULL, o tinyblob NULL, p tinyblob NULL, q varchar(30) binary NOT NULL DEFAULT ' ', r varchar(30) binary NOT NULL DEFAULT ' ', s tinyblob NULL, t varchar(4) binary NOT NULL DEFAULT ' ', u varchar(1) binary NOT NULL DEFAULT ' ', v varchar(30) binary NOT NULL DEFAULT ' ', w varchar(30) binary NOT NULL DEFAULT ' ', x tinyblob NULL, y varchar(5) binary NOT NULL DEFAULT ' ', z varchar(20) binary NOT NULL DEFAULT ' ', a1 varchar(30) binary NOT NULL DEFAULT ' ', b1 tinyblob NULL) ENGINE=MyISAM DEFAULT CHARACTER SET = latin1 COLLATE latin1_bin; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` varchar(30) collate latin1_bin NOT NULL default ' ', `b` varchar(1) collate latin1_bin NOT NULL default ' ', `c` varchar(4) collate latin1_bin NOT NULL default '0000', `d` tinyblob, `e` tinyblob, `f` tinyblob, `g` tinyblob, `h` tinyblob, `i` tinyblob, `j` tinyblob, `k` tinyblob, `l` tinyblob, `m` tinyblob, `n` tinyblob, `o` tinyblob, `p` tinyblob, `q` varchar(30) collate latin1_bin NOT NULL default ' ', `r` varchar(30) collate latin1_bin NOT NULL default ' ', `s` tinyblob, `t` varchar(4) collate latin1_bin NOT NULL default ' ', `u` varchar(1) collate latin1_bin NOT NULL default ' ', `v` varchar(30) collate latin1_bin NOT NULL default ' ', `w` varchar(30) collate latin1_bin NOT NULL default ' ', `x` tinyblob, `y` varchar(5) collate latin1_bin NOT NULL default ' ', `z` varchar(20) collate latin1_bin NOT NULL default ' ', `a1` varchar(30) collate latin1_bin NOT NULL default ' ', `b1` tinyblob ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_bin INSERT into t2 (b) values ('1'); SHOW WARNINGS; Level Code Message SELECT * from t2; a b c d e f g h i j k l m n o p q r s t u v w x y z a1 b1 1 0000 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL drop table t1; drop table t2;