create table MMBD_BCHANGEMASTER (pk_org_v varchar2(20) null /*组织多版本*/, pk_group varchar2(20) null /*pk_group*/, pk_org varchar2(20) null /*pk_org*/, after_num varchar2(50) null /*变更后数量*/, before_num varchar2(50) null /*变更前数量*/, child_no varchar2(50) null /*子项编码*/, parent_no varchar2(50) null /*父项编码*/, billno varchar2(50) null /*施工单号*/, name varchar2(50) null /*name*/, code varchar2(50) null /*code*/, pk_bchangemaster char(20) not null /*主键*/, ts char(19) default to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') not null /*ts*/, dr integer default 0 not null /*dr*/, constraint MMBD_BCHANGEMASTER_PK primary key (pk_bchangemaster) ) /