摘要：
use Mengyou88_Wuliu--创建公司表create table dbo.Company2(CompanyID int identity(1,1) not null,CompanyName varchar(50) null,AddDate datetime null,constraint PK_Company2_CompanyID primary key clustered (CompanyID))--创建会员表create table dbo.Member(MemberID int identity(1,1) not null,CompanyID int not null,Mem 阅读全文
