commit 8ccdabc9f8043b57fb1afb41be0a48445d8535ed
Author: 少年梦与砖 <2847127106@qq.com>
Date: Thu Jul 18 11:22:24 2024 +0800
7.18 day01
diff --git a/.gitignore b/.gitignore
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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
diff --git a/.idea/$PROJECT_FILE$ b/.idea/$PROJECT_FILE$
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+
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diff --git a/.idea/.gitignore b/.idea/.gitignore
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+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/UploadStorage.xml b/.idea/UploadStorage.xml
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diff --git a/.idea/dictionaries/Admin.xml b/.idea/dictionaries/Admin.xml
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+
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diff --git a/.idea/encodings.xml b/.idea/encodings.xml
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diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
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+++ b/.idea/inspectionProfiles/Project_Default.xml
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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+++ b/.idea/misc.xml
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+
+
+
+
+
+
+
+
+
+
+
+ Abstraction issuesJava
+
+
+ EditorConfig
+
+
+ Error handlingJava
+
+
+ General
+
+
+ Internationalization
+
+
+ JUnit
+
+
+ JVM languages
+
+
+ Java
+
+
+ JavaScript and TypeScript
+
+
+ Kotlin
+
+
+ PortabilityJava
+
+
+ Probable bugsKotlin
+
+
+ Properties files
+
+
+ ReactJavaScript and TypeScript
+
+
+ Test frameworksJVM languages
+
+
+
+
+ User defined
+
+
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diff --git a/.idea/qaplug_profiles.xml b/.idea/qaplug_profiles.xml
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+
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diff --git a/.idea/setting.xml b/.idea/setting.xml
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+++ b/.idea/setting.xml
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+
+
+
+
+
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+
+
+
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diff --git a/.idea/vcs.xml b/.idea/vcs.xml
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+++ b/.idea/vcs.xml
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+
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diff --git a/pom.xml b/pom.xml
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+
+
+ 4.0.0
+
+ com.bw
+ day01
+ 1.0-SNAPSHOT
+
+
+ 8
+ 8
+ UTF-8
+
+
+
diff --git a/sql/day01.sql b/sql/day01.sql
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+++ b/sql/day01.sql
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+# 2.查询所有学生信息，并根据年龄进行降序排序。（10分）
+SELECT * FROM
+day01_user ORDER BY age DESC;
+
+# 3.显示姓王的学生的详细信息。（10分）
+SELECT * FROM
+day01_user
+WHERE ename LIKE ('王%');
+
+# 4.查询工资大于5000的所有男同学的信息。（10分）
+SELECT * FROM
+day01_user
+WHERE sal > 5000 AND sex = '男';
+
+# 5.查询班级编号为20的男同学的电话号码。（10分）
+SELECT * FROM
+day01_user
+WHERE classid = 20 AND sex = '男';
+
+# 6.查询最低工资。（10分）
+SELECT MIN(sal) FROM day01_user;
+
+# 7.查询班级为30的学生的最小年龄。（10分）
+SELECT MIN(age) FROM
+day01_user
+WHERE classid = 30;
+
+# 8.查询女生的最低工资。（15分）
+SELECT MIN(sal) FROM day01_user WHERE sex = '女';
+
+# 9.查询女学生中薪资最低的人的全部信息。（15分）
+SELECT * FROM
+day01_user
+WHERE sex = '女'
+AND sal = (
+SELECT MIN(sal) FROM
+day01_user
+WHERE sex = '女'
+);
+
+
diff --git a/sql/day01_user.sql b/sql/day01_user.sql
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+++ b/sql/day01_user.sql
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+/*
+ Navicat Premium Data Transfer
+
+ Source Server : 本机
+ Source Server Type : MySQL
+ Source Server Version : 50744
+ Source Host : localhost:3306
+ Source Schema : high-six-exam
+
+ Target Server Type : MySQL
+ Target Server Version : 50744
+ File Encoding : 65001
+
+ Date: 18/07/2024 08:52:28
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for day01_user
+-- ----------------------------
+DROP TABLE IF EXISTS `day01_user`;
+CREATE TABLE `day01_user` (
+ `eid` int(11) NOT NULL AUTO_INCREMENT COMMENT '学生ID',
+ `ename` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '学生姓名',
+ `sex` varchar(2) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '学生性别',
+ `tel` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '学生手机号',
+ `classid` int(11) NULL DEFAULT NULL COMMENT '学生班级',
+ `age` int(11) NULL DEFAULT NULL COMMENT '学生年龄',
+ `sal` double NULL DEFAULT NULL COMMENT '学生薪资',
+ PRIMARY KEY (`eid`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 21 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
+
+-- ----------------------------
+-- Records of day01_user
+-- ----------------------------
+INSERT INTO `day01_user` VALUES (1, '方王韬', '男', '19800670755', 20, 29, 3059.6);
+INSERT INTO `day01_user` VALUES (2, '林詩涵', '女', '19507931194', 20, 23, 6381.17);
+INSERT INTO `day01_user` VALUES (3, '尹致远', '男', '7600451038', 20, 19, 5107.62);
+INSERT INTO `day01_user` VALUES (4, '徐璐', '女', '7691120789', 20, 27, 5307.63);
+INSERT INTO `day01_user` VALUES (5, '尹震南', '男', '14796746974', 4, 29, 6519.92);
+INSERT INTO `day01_user` VALUES (6, '范致远', '男', '1053148944', 30, 29, 2720.74);
+INSERT INTO `day01_user` VALUES (7, '贾子异', '男', '17787973788', 30, 24, 3940.03);
+INSERT INTO `day01_user` VALUES (8, '魏震南', '男', '1009556234', 30, 24, 8387.14);
+INSERT INTO `day01_user` VALUES (9, '莫子韬', '男', '7693373552', 30, 27, 9213.19);
+INSERT INTO `day01_user` VALUES (10, '严子异', '男', '14145386982', 30, 23, 2418.38);
+INSERT INTO `day01_user` VALUES (11, '熊子异', '男', '17999840481', 30, 30, 5356.33);
+INSERT INTO `day01_user` VALUES (12, '韩宇宁', '男', '2014651275', 30, 19, 8295.86);
+INSERT INTO `day01_user` VALUES (13, '陈致远', '男', '16175133202', 30, 20, 8203.2);
+INSERT INTO `day01_user` VALUES (14, '田子韬', '男', '7604233014', 30, 19, 4959.46);
+INSERT INTO `day01_user` VALUES (15, '王嘉伦', '男', '15315936551', 30, 27, 7611.77);
+INSERT INTO `day01_user` VALUES (16, '袁詩涵', '女', '18861365288', 30, 21, 2944.04);
+INSERT INTO `day01_user` VALUES (17, '姜詩涵', '女', '287949657', 30, 28, 8114.72);
+INSERT INTO `day01_user` VALUES (18, '侯云熙', '男', '210309388', 30, 22, 2190.1);
+INSERT INTO `day01_user` VALUES (19, '王震南', '男', '7559535493', 3, 26, 2724.84);
+INSERT INTO `day01_user` VALUES (20, '谭璐', '女', '17955237156', 1, 21, 4140.22);
+
+SET FOREIGN_KEY_CHECKS = 1;
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