MySQL5.7.19小版本升级到5.7.43或者5.7.44

环境：Centos7、rpm方式

官方资源下载：mysql5.7.43、mysql5.7.44

1. 查看当前服务器安装的MySQL版本

   [root@s-zw-db-mysql-test ~]# rpm -qa|grep mysql
   mysql-community-common-5.7.19-1.el7.x86_64
   mysql-community-client-5.7.19-1.el7.x86_64
   mysql-community-libs-compat-5.7.19-1.el7.x86_64
   mysql57-community-release-el7-9.noarch
   mysql-community-libs-5.7.19-1.el7.x86_64
   mysql-community-server-5.7.19-1.el7.x86_64

2. 停止MySQL服务

   [root@s-zw-db-mysql-test ~]# systemctl stop mysqld

3. 上传mysql5.7.43压缩包到服务器并解压

   [root@s-zw-db-mysql-test ~]# tar -xvf mysql-5.7.43-1.el7.x86_64.rpm-bundle.tar

4. 在解压后的文件夹中，执行升级命令

   [root@s-zw-db-mysql-test ~]# rpm -Uvh mysql-community-server-5.7.43-1.el7.x86_64.rpm  --force --nodeps
   [root@s-zw-db-mysql-test ~]# rpm -Uvh mysql-community-libs-5.7.43-1.el7.x86_64.rpm --force --nodeps
   [root@s-zw-db-mysql-test ~]# rpm -Uvh mysql-community-common-5.7.43-1.el7.x86_64.rpm --force --nodeps
   [root@s-zw-db-mysql-test ~]# rpm -Uvh mysql-community-client-5.7.43-1.el7.x86_64.rpm --force --nodeps

5. 启动mysql服务

   [root@s-zw-db-mysql-test ~]# systemctl start mysqld

6. 链接数据库查看版本

   [root@s-zw-db-mysql-test ~]# mysql -uhlwjzwfw -p
   Enter password: 
   
   mysql> select version();
   +------------+
   | version()  |
   +------------+
   | 5.7.43     |
   +------------+
   1 row in set (0.00 sec)