USE SPJ;

INSERT INTO S(SNO,SNAME,STATUS,CITY)
VALUES
('S1','精益',20,'天津'),
('S2','盛锡',10,'北京'),
('S3','东方红',30,'北京'),
('S4','丰泰盛',20,'天津'),
('S5','为民',30,'上海');

INSERT INTO P(PNO,PNAME,COLOR,WEIGHT)
VALUES
('P1','螺母','红',12),
('P2','螺栓','绿',17),
('P3','螺丝刀','蓝',14),
('P4','螺丝刀','红',14),
('P5','凸轮','蓝',40),
('P6','齿轮','红',30);

INSERT INTO J(JNO,JNAME,CITY)
VALUES
('J1','三建','北京'),
('J2','一汽','长春'),
('J3','弹簧厂','天津'),
('J4','造船厂','天津'),
('J5','机车厂','唐山'),
('J6','无线电厂','常州'),
('J7','半导体厂','南京');

INSERT INTO SPJ (SNO, PNO, JNO, QTY)
VALUES
('S1', 'P1', 'J1', 200),
('S1', 'P1', 'J3', 100),
('S1', 'P1', 'J4', 700),
('S1', 'P2', 'J2', 100),
('S2', 'P3', 'J1', 400),
('S2', 'P3', 'J2', 200),
('S2', 'P3', 'J4', 500),
('S2', 'P3', 'J5', 400),
('S2', 'P5', 'J1', 400),
('S2', 'P5', 'J2', 100),
('S3', 'P1', 'J1', 200),
('S3', 'P3', 'J1', 200),
('S4', 'P5', 'J1', 100),
('S4', 'P6', 'J3', 300),
('S4', 'P6', 'J4', 200),
('S5', 'P2', 'J4', 100),
('S5', 'P3', 'J1', 200),
('S5', 'P6', 'J2', 200),
('S5', 'P6', 'J4', 500);