如何查看电脑上是否安装了MySQL

qq_52051165: 引用「mysqld --initialize-insecure --user=mysql」 2023-09-19T11:00:42.089620Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2023-09-19T11:00:42.091548Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting. 2023-09-19T11:00:42.092017Z 0 [ERROR] Aborting初始化出现这个问题

qq_52051165: 2023-09-19T11:00:42.091548Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting. 2023-09-19T11:00:42.092017Z 0 [ERROR] Aborting 出现这个问题咋办

༺鲸落༻: 兄弟们，修改用户密码8.0后用这个 ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

吾亦吉祥: 看了很多讲nps的文章，但大都重在安装过程，却没有nps应用的大背景介绍，遗憾。从您的文章来看，nps的实现必须要购买具有公网IP的云服务器才能实现，对吧？

weixin_60630397: 12.在浏览器中访问该网址：http://139.198.13.140:8589，就能访问到你的项目了 问下这一步我为什么无法访问呢