Add an example database from teacher

SQL/物流公司数据库.sql

+/*
+Navicat MySQL Data Transfer
+
+Source Server         : 11
+Source Server Version : 50041
+Source Host           : localhost:3306
+Source Database       : wuliugongsi
+
+Target Server Type    : MYSQL
+Target Server Version : 50041
+File Encoding         : 65001
+
+Date: 2018-01-02 19:56:30
+*/
+
+SET FOREIGN_KEY_CHECKS=0;
+
+-- CREATE DATABASE logistics DEFAULT CHARSET utf8;
+
+-- ----------------------------
+-- Table structure for `c`
+-- ----------------------------
+DROP TABLE IF EXISTS `C`;
+CREATE TABLE `C` (
+  `Cno` varchar(10) NOT NULL,
+  `Cname` varchar(8) default NULL,
+  `Cage` int(8) default NULL,
+  `Csalary` int(10) default NULL,
+  PRIMARY KEY  (`Cno`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+-- ----------------------------
+-- Records of c
+-- ----------------------------
+INSERT INTO `C` VALUES ('1', '李余', '20', '2700');
+INSERT INTO `C` VALUES ('3', '吴兵', '45', '3400');
+INSERT INTO `C` VALUES ('4', '孟哲', '35', '2800');
+INSERT INTO `C` VALUES ('5', '吴兵', '45', '3400');
+INSERT INTO `C` VALUES ('2', '刘航', '26', '3700');
+
+-- ----------------------------
+-- Table structure for `d`
+-- ----------------------------
+DROP TABLE IF EXISTS `D`;
+CREATE TABLE `D` (
+  `Cno` varchar(9) NOT NULL default '',
+  `Pno` varchar(10) NOT NULL default '',
+  `Dtime` varchar(20) default NULL,
+  PRIMARY KEY  (`Cno`,`Pno`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+-- ----------------------------
+-- Records of d
+-- ----------------------------
+INSERT INTO `D` VALUES ('1', '101', '2017-4-1');
+INSERT INTO `D` VALUES ('2', '102', '2017-5-1');
+INSERT INTO `D` VALUES ('3', '103', '2017-4-16');
+INSERT INTO `D` VALUES ('4', '105', '2018-1-1');
+INSERT INTO `D` VALUES ('3', '104', '2017-4-20');
+INSERT INTO `D` VALUES ('5', '106', '2018-1-2');
+
+-- ----------------------------
+-- Table structure for `p`
+-- ----------------------------
+DROP TABLE IF EXISTS `P`;
+CREATE TABLE `P` (
+  `Pno` varchar(15) NOT NULL,
+  `Pfrom` varchar(15) NOT NULL,
+  `Pto` varchar(10) NOT NULL,
+  `Preceiver` varchar(10) NOT NULL,
+  `Ptel` varchar(20) NOT NULL,
+  `Pstatus` varchar(10) NOT NULL,
+  PRIMARY KEY  (`Pno`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+-- ----------------------------
+-- Records of p
+-- ----------------------------
+INSERT INTO `P` VALUES ('101', '浙江', '上海', '李四', '18779931582', '派件中');
+INSERT INTO `P` VALUES ('102', '浙江', '安徽', '李云龙', '15779962563', '派件中');
+INSERT INTO `P` VALUES ('103', '上海', '景德镇', '胡天', '15786592584', '派件中');
+INSERT INTO `P` VALUES ('104', '上海', '景德镇', '吴易', '12545611478', '派件中');
+INSERT INTO `P` VALUES ('105', '安徽', '景德镇', '吴辉', '15822115520', '派件中');
+
+-- ----------------------------
+-- Table structure for `s`
+-- ----------------------------
+DROP TABLE IF EXISTS `S`;
+CREATE TABLE `S` (
+  `Wno` varchar(10) default NULL,
+  `Pno` varchar(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+-- ----------------------------
+-- Records of s
+-- ----------------------------
+INSERT INTO `S` VALUES ('1101', '101');
+INSERT INTO `S` VALUES ('1102', '102');
+INSERT INTO `S` VALUES ('1103', '103');
+INSERT INTO `S` VALUES ('1104', '104');
+INSERT INTO `S` VALUES ('1105', '105');
+
+-- ----------------------------
+-- Table structure for `w`
+-- ----------------------------
+DROP TABLE IF EXISTS `W`;
+CREATE TABLE `W` (
+  `Wno` varchar(10) NOT NULL,
+  `Wname` varchar(9) default NULL,
+  `Waddress` varchar(8) default NULL,
+  PRIMARY KEY  (`Wno`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+-- ----------------------------
+-- Records of w
+-- ----------------------------
+INSERT INTO `W` VALUES ('1101', '仓库1', '上海');
+INSERT INTO `W` VALUES ('1102', '仓库2', '浙江');
+INSERT INTO `W` VALUES ('1103', '仓库3', '上海');
+INSERT INTO `W` VALUES ('1104', '仓库4', '浙江');
+DROP TRIGGER IF EXISTS `trigger_d`;
+DELIMITER ;;
+CREATE TRIGGER `trigger_d` AFTER INSERT ON `D` FOR EACH ROW update P set P.Pstatus=''
+;;
+DELIMITER ;