--source include/have_innodb.inc --source include/windows.inc create table t_compressed(b longblob) engine=InnoDB page_compressed=1; insert into t_compressed values(repeat(1,1000000)); # Check that compression worked, i.e allocated size (physical file size) < logical file size select allocated_size < file_size from information_schema.innodb_sys_tablespaces where name='test/t_compressed'; drop table t_compressed;