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GO
CREATE DATABASE QL_BANHANG
GO
USE QL_BANHANG
GO
CREATE TABLE KHACHHANG
(
MAKH VARCHAR(5),
TENKH NVARCHAR(30) NOT NULL,
DIACHI NVARCHAR(50),
DT VARCHAR(11),
EMAIL VARCHAR(30),
PRIMARY KEY (MAKH)
)
GO
CREATE TABLE VATTU
(
MAVT VARCHAR(5),
TENVT NVARCHAR(30) NOT NULL,
DVT NVARCHAR(20),
GIAMUA NUMERIC CHECK (GIAMUA >0),
SLTON INT CHECK (SLTON >=0),
PRIMARY KEY (MAVT),
)
GO
CREATE TABLE HOADON
(
MAHD VARCHAR(10),
NGAY DATETIME CHECK (NGAY<= YEAR (GETDATE())),
MAKH VARCHAR(5),
TONGTG NUMERIC,
PRIMARY KEY (MAHD),
FOREIGN KEY (MAKH) REFERENCES KHACHHANG (MAKH)
ON UPDATE CASCADE
)
GO
CREATE TABLE CTHD
(
MAHD VARCHAR(10),
MAVT VARCHAR(5),
SL INT,
KHUYENMAI NUMERIC,
GIABAN NUMERIC,
PRIMARY KEY (MAHD),
FOREIGN KEY (MAHD) REFERENCES HOADON(MAHD)
ON DELETE CASCADE
ON UPDATE CASCADE,
FOREIGN KEY (MAVT) REFERENCES VATTU (MAVT)
ON UPDATE CASCADE
)
GO
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