1.今日日考

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.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

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.muyu</groupId>
+    <artifactId>h6-exam718</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

src/main/java/com/muyu/Main.java

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+package com.muyu;
+
+/**
+ * @version 1.0
+ * @Author xie ya ru
+ * @Date 2024/7/18 20:34
+ * @注释
+ */
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}

src/sql/t_emp.sql

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+create DATABASE emp;
+
+CREATE TABLE emp.peolpe  (
+  eid int NOT NULL  AUTO_INCREMENT,
+  ename varchar(20) NULL,
+  sex varchar(5) NULL,
+  tel varchar(20) NULL,
+  classid int NULL,
+  age int NULL,
+  sal decimal(10,2) NULL,
+  PRIMARY KEY (eid) 
+);
+
+
+INSERT INTO peolpe VALUE('10001','张依依','男','123456789','10','20','10000');
+INSERT INTO peolpe VALUES('10002','刘小红','女','123456781','10','20','1000');
+INSERT INTO peolpe VALUES('10003','李四','男','123456782','30','23','1556');
+INSERT INTO peolpe VALUES('10004','刘强','男','123456783','20','20','5600');
+INSERT INTO peolpe VALUES('10005','王艳','女','123456784','20','24','6800');
+
+-- 2.查询所有学生信息，并根据年龄进行降序排序。（10分）
+SELECT * FROM peolpe ORDER BY peolpe.age desc;
+
+-- 3.显示姓王的学生的详细信息。（10分）
+SELECT * FROM peolpe WHERE peolpe.ename = '王';
+-- 4.查询工资大于5000的所有男同学的信息。（10分）
+SELECT * FROM peolpe WHERE peolpe.sex = '男' and peolpe.sal >5000;
+ -- 5.查询班级编号为20的男同学的电话号码。（10分）
+ SELECT peolpe.ename,peolpe.tel FROM peolpe WHERE peolpe.sex = '男' and peolpe.classid ='20';
+-- 6.查询最低工资。（10分）
+SELECT peolpe.sal FROM peolpe ORDER BY peolpe.sal ASC LIMIT 1;
+-- 7.查询班级为30的学生的最小年龄。（10分）
+SELECT peolpe.age FROM peolpe WHERE peolpe.classid = '30' ORDER BY peolpe.age ASC LIMIT 1;
+-- 8.查询女生的最低工资。（15分）
+SELECT peolpe.sal FROM peolpe WHERE peolpe.sex = '女' ORDER BY peolpe.sal ASC LIMIT 1;
+
+-- 9.查询女学生中薪资最低的人的全部信息。（15分）
+SELECT * FROM peolpe WHERE peolpe.sex = '女' ORDER BY peolpe.sal ASC LIMIT 1;
+