oracle 创建表，创建主键，加备注

       id number primary key,

       noticetype varchar2(50) not null,

       noticecontent clob not null,

       sendjgbm varchar2(30) not null,

       crtime timestamp not null  

comment on table jx_notice_info is '通知表';

comment on column jx_notice_info.noticeid is '通知编码';

comment on column jx_notice_info.noticesubject is '通知主题';

comment on column jx_notice_info.noticestate is '状态(0-启动,1-删除)';

comment on column jx_notice_info.cruser is '创建人';