今天写了一段查询数据库的操作,如下 package MySQL; import java.sql.*; public class MySQL { //JDBC驱动名以及数据库URL static final String JDBC_DRIVER = "com.mysql.jdbc.Driver"; static final String DB_URL = "jdbc:mysql://localhost:3306/test"; //数据库的用户名和密码 static…

1. 数据库 1.1 创建表 在当前数据库students中,创建数据表student: mysql> create table student( ),#学生ID ),#学生姓名 -> age smallint,#学生年龄 -> grade smallint)#成绩 -> ; 1.2 插入信息: ,) 插入后是这样: 2. 下载connector并导入 2.1 下载解压 在 https://dev.mysql.com/downloads/connector/j/ 下载mysql的j…

Java使用mysql-jdbc连接MySQL出现如下警告: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't s…

Establishing SSL connection without server's identity verification is not recommended. 出现这个错误的原因是因为mysql版本问题,不同的mysql对ssl使用情况不一样,尝试不采用ssl连接即可.操作方法如下. 正常情况下访问的url String url = "jdbc:mysql://192.168.61.123:3306/cpc"; 改正后的url String url = "jdb…

很多人使用JDBC连接MySQL时报出警告: WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set…

详细错误: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with e…

注意:出现这类提示也不会影响对数据库的增删改查操作,所以不用紧张.. 在运行练习时出现下面的错误信息提示: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if…

Wed Sep 19 20:48:46 CST 2018 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn…

jdbc连接数据库候,对数据进行访问,访问正常当出现如下警告: WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option…

1.Java访问Mysql时出现如下警告: 2019-04-02 10:30:50.545 INFO 1290 --- [nio-8080-exec-1] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting... Tue Apr 02 10:30:50 CST 2019 WARN: Establishing SSL connection without server's identity verification is not…