From c02c574b3b9bba4123f8ca166c67c879e55606ff Mon Sep 17 00:00:00 2001
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 <11785149+denglingyan@user.noreply.gitee.com>
Date: Sun, 10 Sep 2023 16:32:19 +0000
Subject: [PATCH] =?UTF-8?q?=E9=99=88=E6=9D=B0=E7=9A=84=E7=AC=94=E8=AE=B0?=
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Signed-off-by: 陈杰 <11785149+denglingyan@user.noreply.gitee.com>
---
 ...41\347\220\206\347\263\273\347\273\237.md" | 464 ++++++++++++++++++
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 create mode 100644 "07 \351\231\210\346\235\260/20230908 \345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md"

diff --git "a/07 \351\231\210\346\235\260/20230908 \345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md" "b/07 \351\231\210\346\235\260/20230908 \345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md"
new file mode 100644
index 0000000..4bc9be0
--- /dev/null
+++ "b/07 \351\231\210\346\235\260/20230908 \345\233\276\344\271\246\347\256\241\347\220\206\347\263\273\347\273\237.md"	
@@ -0,0 +1,464 @@
+# 笔记
+
+1. 概念模型CDM，ER图，人类角度
+2. 逻辑模型LDM，计算机角度
+3. 物理模型PDM，从具体数据库角度
+4. 生成DDL，数据定义语言
+5. 命名的所有名称，Code不要包涵 - 和 , ，最后标点符号只用_ 。
+
+
+
+
+
+```mysql
+/*
+
+ Navicat Premium Data Transfer
+
+
+
+ Source Server     : lijunyang
+
+ Source Server Type   : MySQL
+
+ Source Server Version : 50742
+
+ Source Host      : localhost:3306
+
+ Source Schema     : bbookkss
+
+
+
+ Target Server Type   : MySQL
+
+ Target Server Version : 50742
+
+ File Encoding     : 65001
+
+
+
+ Date: 10/09/2023 16:56:08
+
+*/
+
+
+
+SET NAMES utf8mb4;
+
+SET FOREIGN_KEY_CHECKS = 0;
+
+
+
+-- ----------------------------
+
+-- Table structure for book
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `book`;
+
+CREATE TABLE `book`  (
+
+ `b_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `ty_id` int(11) NOT NULL,
+
+ `bo_id` int(11) NOT NULL,
+
+ `re_id` int(11) NOT NULL,
+
+ `b_name` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ `b_money` varchar(1000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+
+ PRIMARY KEY (`b_id`) USING BTREE,
+
+ INDEX `FK_Relationship_7`(`ty_id`) USING BTREE,
+
+ INDEX `FK_Relationship_8`(`bo_id`) USING BTREE,
+
+ INDEX `FK_Relationship_9`(`re_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_7` FOREIGN KEY (`ty_id`) REFERENCES `typee` (`ty_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
+
+ CONSTRAINT `FK_Relationship_8` FOREIGN KEY (`bo_id`) REFERENCES `borrow` (`bo_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
+
+ CONSTRAINT `FK_Relationship_9` FOREIGN KEY (`re_id`) REFERENCES `guihuan` (`re_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of book
+
+-- ----------------------------
+
+INSERT INTO `book` VALUES (1, 1, 1, 1, '少林足球', '50元');
+
+INSERT INTO `book` VALUES (2, 1, 2, 2, '功夫', '58元');
+
+INSERT INTO `book` VALUES (3, 2, 3, 3, '无敌', '11元');
+
+
+
+-- ----------------------------
+
+-- Table structure for borrow
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `borrow`;
+
+CREATE TABLE `borrow`  (
+
+ `bo_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `us_id` int(11) NOT NULL,
+
+ `bo_time` time NULL DEFAULT NULL,
+
+ PRIMARY KEY (`bo_id`) USING BTREE,
+
+ INDEX `FK_Relationship_2`(`us_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_2` FOREIGN KEY (`us_id`) REFERENCES `user` (`us_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of borrow
+
+-- ----------------------------
+
+INSERT INTO `borrow` VALUES (1, 1, '22:00:00');
+
+INSERT INTO `borrow` VALUES (2, 2, '16:26:54');
+
+INSERT INTO `borrow` VALUES (3, 3, '16:27:11');
+
+INSERT INTO `borrow` VALUES (4, 4, '16:27:35');
+
+
+
+-- ----------------------------
+
+-- Table structure for floor
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `floor`;
+
+CREATE TABLE `floor`  (
+
+ `fl_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `fl_name` varchar(5) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ PRIMARY KEY (`fl_id`) USING BTREE
+
+) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of floor
+
+-- ----------------------------
+
+INSERT INTO `floor` VALUES (1, '1楼');
+
+INSERT INTO `floor` VALUES (2, '2楼');
+
+INSERT INTO `floor` VALUES (3, '3楼');
+
+INSERT INTO `floor` VALUES (4, '4楼');
+
+INSERT INTO `floor` VALUES (5, '5楼');
+
+
+
+-- ----------------------------
+
+-- Table structure for guihuan
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `guihuan`;
+
+CREATE TABLE `guihuan`  (
+
+ `re_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `us_id` int(11) NOT NULL,
+
+ `re_time` time NULL DEFAULT NULL,
+
+ PRIMARY KEY (`re_id`) USING BTREE,
+
+ INDEX `FK_Relationship_3`(`us_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_3` FOREIGN KEY (`us_id`) REFERENCES `user` (`us_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of guihuan
+
+-- ----------------------------
+
+INSERT INTO `guihuan` VALUES (1, 1, '16:27:58');
+
+INSERT INTO `guihuan` VALUES (2, 2, '13:28:04');
+
+INSERT INTO `guihuan` VALUES (3, 3, '16:28:13');
+
+INSERT INTO `guihuan` VALUES (4, 4, '09:28:18');
+
+
+
+-- ----------------------------
+
+-- Table structure for library
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `library`;
+
+CREATE TABLE `library`  (
+
+ `li_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `li_name` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ PRIMARY KEY (`li_id`) USING BTREE
+
+) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of library
+
+-- ----------------------------
+
+INSERT INTO `library` VALUES (1, '宇宙图书馆');
+
+
+
+-- ----------------------------
+
+-- Table structure for relationship_4
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `relationship_4`;
+
+CREATE TABLE `relationship_4`  (
+
+ `fl_id` int(11) NOT NULL,
+
+ `b_id` int(11) NOT NULL,
+
+ PRIMARY KEY (`fl_id`, `b_id`) USING BTREE,
+
+ INDEX `FK_Relationship_6`(`b_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_4` FOREIGN KEY (`fl_id`) REFERENCES `floor` (`fl_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
+
+ CONSTRAINT `FK_Relationship_6` FOREIGN KEY (`b_id`) REFERENCES `book` (`b_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of relationship_4
+
+-- ----------------------------
+
+INSERT INTO `relationship_4` VALUES (1, 1);
+
+INSERT INTO `relationship_4` VALUES (2, 2);
+
+INSERT INTO `relationship_4` VALUES (2, 3);
+
+
+
+-- ----------------------------
+
+-- Table structure for relationship_5
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `relationship_5`;
+
+CREATE TABLE `relationship_5`  (
+
+ `b_id` int(11) NOT NULL,
+
+ `st_id` int(11) NOT NULL,
+
+ PRIMARY KEY (`b_id`, `st_id`) USING BTREE,
+
+ INDEX `FK_Relationship_10`(`st_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_10` FOREIGN KEY (`st_id`) REFERENCES `staff` (`st_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
+
+ CONSTRAINT `FK_Relationship_5` FOREIGN KEY (`b_id`) REFERENCES `book` (`b_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of relationship_5
+
+-- ----------------------------
+
+INSERT INTO `relationship_5` VALUES (1, 1);
+
+INSERT INTO `relationship_5` VALUES (2, 1);
+
+INSERT INTO `relationship_5` VALUES (3, 3);
+
+
+
+-- ----------------------------
+
+-- Table structure for staff
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `staff`;
+
+CREATE TABLE `staff`  (
+
+ `st_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `li_id` int(11) NOT NULL,
+
+ `st_name` varchar(4) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ `st_sex` varchar(1) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+
+ `st_age` varchar(3) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+
+ PRIMARY KEY (`st_id`) USING BTREE,
+
+ INDEX `FK_Relationship_1`(`li_id`) USING BTREE,
+
+ CONSTRAINT `FK_Relationship_1` FOREIGN KEY (`li_id`) REFERENCES `library` (`li_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+
+) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of staff
+
+-- ----------------------------
+
+INSERT INTO `staff` VALUES (1, 1, '张三', '男', '11');
+
+INSERT INTO `staff` VALUES (2, 1, '李四', '男', '23');
+
+INSERT INTO `staff` VALUES (3, 1, '王五', '男', '12');
+
+INSERT INTO `staff` VALUES (4, 1, '赵六', '男', '11');
+
+
+
+-- ----------------------------
+
+-- Table structure for typee
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `typee`;
+
+CREATE TABLE `typee`  (
+
+ `ty_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `ty_name` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ PRIMARY KEY (`ty_id`) USING BTREE
+
+) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of typee
+
+-- ----------------------------
+
+INSERT INTO `typee` VALUES (1, '搞笑');
+
+INSERT INTO `typee` VALUES (2, '恐怖');
+
+INSERT INTO `typee` VALUES (3, '综艺');
+
+INSERT INTO `typee` VALUES (4, '日常');
+
+INSERT INTO `typee` VALUES (5, '可爱');
+
+
+
+-- ----------------------------
+
+-- Table structure for user
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `user`;
+
+CREATE TABLE `user`  (
+
+ `us_id` int(11) NOT NULL AUTO_INCREMENT,
+
+ `us_name` varchar(4) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
+
+ `us_age` varchar(3) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+
+ `us_sex` varchar(1) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+
+ PRIMARY KEY (`us_id`) USING BTREE
+
+) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
+
+
+
+-- ----------------------------
+
+-- Records of user
+
+-- ----------------------------
+
+INSERT INTO `user` VALUES (1, '迪迦', '11', '男');
+
+INSERT INTO `user` VALUES (2, '赛文', '34', '男');
+
+INSERT INTO `user` VALUES (3, '奥特之父', '33', '男');
+
+INSERT INTO `user` VALUES (4, '奥特曼', '22', '男');
+
+
+
+SET FOREIGN_KEY_CHECKS = 1;
+```
+
-- 
Gitee