DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a , b ) ENGINE= ROW_FORMAT=DYNAMIC; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` char(8) DEFAULT NULL ) ENGINE= DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC ALTER TABLE t1 ROW_FORMAT=FIXED; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` char(8) DEFAULT NULL ) ENGINE= DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED ALTER TABLE t1 ROW_FORMAT=PAGE; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` char(8) DEFAULT NULL ) ENGINE= DEFAULT CHARSET=latin1 ROW_FORMAT=PAGE ALTER TABLE t1 ROW_FORMAT=COMPACT; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` char(8) DEFAULT NULL ) ENGINE= DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT DROP TABLE t1;