commit a5599bac7566a69ab8857f2032c254c3b6887de1
Author: bai <173792339@qq.com>
Date:   Fri Jul 19 10:28:16 2024 +0800

    brsria_02

diff --git a/ria_02.sql b/ria_02.sql
new file mode 100644
index 0000000..d636b55
--- /dev/null
+++ b/ria_02.sql
@@ -0,0 +1,87 @@
+/*
+ Navicat Premium Data Transfer
+
+ Source Server         : 2112
+ Source Server Type    : MySQL
+ Source Server Version : 50557
+ Source Host           : localhost:3306
+ Source Schema         : ria_02
+
+ Target Server Type    : MySQL
+ Target Server Version : 50557
+ File Encoding         : 65001
+
+ Date: 19/07/2024 09:08:48
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for stu_cou
+-- ----------------------------
+DROP TABLE IF EXISTS `stu_cou`;
+CREATE TABLE `stu_cou`  (
+  `sc_id` int(11) NOT NULL AUTO_INCREMENT,
+  `c_id` int(12) NULL DEFAULT NULL,
+  `s_id` int(13) NULL DEFAULT NULL,
+  PRIMARY KEY (`sc_id`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 10 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
+
+-- ----------------------------
+-- Records of stu_cou
+-- ----------------------------
+INSERT INTO `stu_cou` VALUES (1, 1, 1);
+INSERT INTO `stu_cou` VALUES (2, 1, 2);
+INSERT INTO `stu_cou` VALUES (3, 1, 3);
+INSERT INTO `stu_cou` VALUES (4, 2, 4);
+INSERT INTO `stu_cou` VALUES (5, 2, 5);
+INSERT INTO `stu_cou` VALUES (6, 2, 6);
+INSERT INTO `stu_cou` VALUES (7, 3, 7);
+INSERT INTO `stu_cou` VALUES (8, 3, 8);
+INSERT INTO `stu_cou` VALUES (9, 3, 9);
+
+-- ----------------------------
+-- Table structure for t_course
+-- ----------------------------
+DROP TABLE IF EXISTS `t_course`;
+CREATE TABLE `t_course`  (
+  `c_id` int(11) NOT NULL AUTO_INCREMENT,
+  `c_name` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+  PRIMARY KEY (`c_id`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
+
+-- ----------------------------
+-- Records of t_course
+-- ----------------------------
+INSERT INTO `t_course` VALUES (1, '正课');
+INSERT INTO `t_course` VALUES (2, '自习');
+INSERT INTO `t_course` VALUES (3, '晚自习');
+
+-- ----------------------------
+-- Table structure for t_student
+-- ----------------------------
+DROP TABLE IF EXISTS `t_student`;
+CREATE TABLE `t_student`  (
+  `s_id` int(11) NOT NULL AUTO_INCREMENT,
+  `s_name` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+  `sex` varchar(3) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
+  PRIMARY KEY (`s_id`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 12 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
+
+-- ----------------------------
+-- Records of t_student
+-- ----------------------------
+INSERT INTO `t_student` VALUES (1, '牛1', '男');
+INSERT INTO `t_student` VALUES (2, '牛2', '女');
+INSERT INTO `t_student` VALUES (3, '牛3', '男');
+INSERT INTO `t_student` VALUES (4, '牛4', '男');
+INSERT INTO `t_student` VALUES (5, '牛5', '女');
+INSERT INTO `t_student` VALUES (6, '牛6', '男');
+INSERT INTO `t_student` VALUES (7, '牛7', '女');
+INSERT INTO `t_student` VALUES (8, '牛8', '女');
+INSERT INTO `t_student` VALUES (9, '牛9', '男');
+INSERT INTO `t_student` VALUES (10, '牛腾', '男');
+INSERT INTO `t_student` VALUES (11, '牛10', '女');
+
+SET FOREIGN_KEY_CHECKS = 1;
diff --git a/理论/屏幕截图 2024-07-19 101130.png b/理论/屏幕截图 2024-07-19 101130.png
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