create table agreement_document ( id int auto_increment primary key, name varchar(255) null, product_name varchar(255) not null, app_platform int not null, subject_name varchar(255) not null, agreement_type varchar(255) not null, content longtext not null, content_md5 varchar(64) not null, document_key varchar(64) not null, remark varchar(255) null, create_time datetime not null, update_time datetime not null, status int default 0 not null, constraint document_key_uindex unique (document_key) ); create table subject ( id int auto_increment primary key, name varchar(255) not null, host varchar(255) null, remark varchar(255) null, create_time datetime not null, update_time datetime not null, status int not null, constraint subject_index unique (name) );