de thi hoc ki 2 nam 2010

create database yenuse yen create table phanloai maloai nchar50 not null primary key, tenloai nchar50 not null, create table nhacungcap maNCC nchar50 not null primary key, tenNCC ncha

create database yen

use yen

create table phanloai

( maloai nchar(50) not null primary key, tenloai nchar(50) not null,

)

create table nhacungcap

( maNCC nchar(50) not null primary key, tenNCC nchar (50) not null,

diachi nchar(50) not null,

dienthoai numeric null,

create table khachhang

maKH nchar(50) not null primary key, tenKH nchar(50) not null,

diachi nchar(50) not null,

dienthoai numeric null,

create table hanghoa

maHH nchar(50) not null primary key, tenHH nchar(50) not null,

donvitinh nchar(50) not null,

maloai nchar(50) not null,

create table bangbaogia

maNCC nchar(50) not null primary key, maMH nchar(50) not null,

giaban numeric not null,

create table cungcap

maNCC nchar(50) not null primary key, maHH nchar(50)not null,

ngay date not null,

soluong numeric not null,

create table hoadonbanhang

maHD nchar(50) not null primary key, maKH nchar(50) not null,

maHH nchar(50) not null,

ngay date not null,

soluong numeric not null,

dongia numeric not null,