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| CREATE DATABASE SPJ_MNG; USE SPJ_MNG; CREATE TABLE s ( SNO VARCHAR(5) NOT NULL, SNAME VARCHAR(20), STATUS INT, CITY VARCHAR(10), PRIMARY KEY (SNO) );
CREATE TABLE p ( PNO VARCHAR(5) NOT NULL, PNAME VARCHAR(20), COLOR CHAR(2), WEIGHT INT, PRIMARY KEY (PNO) );
CREATE TABLE j ( JNO VARCHAR(5) NOT NULL, JNAME VARCHAR(20), CITY VARCHAR(10), PRIMARY KEY (JNO) );
CREATE TABLE spj ( ID INT NOT NULL AUTO_INCREMENT, SNO VARCHAR(5), PNO VARCHAR(5), JNO VARCHAR(5), QTY INT, PRIMARY KEY (ID) );
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', '西安'), ('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', 200), ('S4', 'P6', 'J3', 100), ('S4', 'P6', 'J4', 300), ('S5', 'P2', 'J4', 100), ('S5', 'P3', 'J1', 200), ('S5', 'P6', 'J2', 200), ('S5', 'P6', 'J4', 500);
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