From 2932d2d72743b42f1c751237284643167295984c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=97=B6=E5=AD=A6=E5=AE=89?= <2820601363@qq.com>
Date: Thu, 7 Sep 2023 12:07:18 +0800
Subject: [PATCH] zy

---
 .../\344\275\234\344\270\232.md"              | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 "40 \346\227\266\345\255\246\345\256\211/\344\275\234\344\270\232.md"

diff --git "a/40 \346\227\266\345\255\246\345\256\211/\344\275\234\344\270\232.md" "b/40 \346\227\266\345\255\246\345\256\211/\344\275\234\344\270\232.md"
new file mode 100644
index 0000000..296b55c
--- /dev/null
+++ "b/40 \346\227\266\345\255\246\345\256\211/\344\275\234\344\270\232.md"	
@@ -0,0 +1,90 @@
+CREATE DATABASE school CHARSET utf8;
+use school;
+-- 院系表
+CREATE TABLE faculty(
+	d_id INT PRIMARY KEY,
+	d_name VARCHAR(255)
+);
+INSERT INTO faculty VALUES
+	(1,'软件工程学院');
+-- 专业表
+CREATE TABLE specialty(
+	S_id int PRIMARY KEY,
+	S_name VARCHAR(255),
+	d_id int,
+	FOREIGN KEY (d_id) REFERENCES faculty(d_id)
+);
+INSERT INTO specialty VALUES 
+	(1,'软件技术',1);
+-- 班级表
+CREATE TABLE class(
+	C_id INT PRIMARY KEY,
+	C_name VARCHAR(20),
+	grade VARCHAR(5),
+	s_id INT,
+	FOREIGN KEY (s_id) REFERENCES specialty(s_id)
+); 
+INSERT INTO class VALUES
+	(1,'软件技术1班','22级',1),
+	(2,'软件技术2班','22级',1),
+	(3,'软件技术7班','22级',1),
+	(4,'软件技术9班','22级',1);
+-- 课程
+CREATE TABLE course(
+	couseId int PRIMARY key,
+	courseName varchar(10),
+	c_id int,
+	r_id int,
+	foreign key (c_id) references class(C_id),
+	foreign key (r_id) references classroom(r_id)
+);
+insert into course VALUES
+	(1,'Java',1,1),
+	(2,'MySQL',2,2);
+-- 教室
+create table classroom(
+	r_id int PRIMARY KEY,
+	r_name varchar(10)
+);
+	insert into classroom values
+(1,'实训一'),
+(2,'实训二');
+-- 课程表
+create table `select` (
+	selectId int primary key,
+	couseId int,
+	time varchar(20),
+	t_id int,
+	r_id int,
+	foreign key (couseId) references course(couseId),
+	foreign key (t_id) references teacher(t_id),
+	foreign key (r_id) references classroom(r_id)
+);
+insert into `select` values
+(1,1,'周一8:00-11:40',2,1),
+(2,2,'周一14:00-17:40',1,2);
+-- 教师
+create table teacher(
+	t_id int primary key,
+	t_name varchar(10),
+	couseId int,
+	foreign key (couseId) references course(couseId)
+);
+insert into teacher values
+(1,'丘丘',1),
+(2,'黑马pink',2);
+-- 学生
+CREATE TABLE student (
+	stu_name VARCHAR(25),
+	stu_id INT PRIMARY KEY,
+	C_id INT,
+	select_id INT,
+	foreign key (C_id) references class(C_id),
+	FOREIGN KEY (select_id) REFERENCES `select`(selectId)
+);
+INSERT INTO student VALUES
+	('王影',17,1,1),
+	('程舜',52,2,2),
+	('李陈毅',49,3,1),
+	('李文璐',22,4,1);
+~~~
\ No newline at end of file
-- 
Gitee