mysql数据库的相关内容

问答 2020-06-01 来自：开发者社区

Linux下忘记MySQL的root密码的解决方案,数据库报错

" 刚开始学习mysql，现在就是想通过Java操作mysql数据库，按照网上教程连接到驱动，但是老显示连接不到！！！这是错误：加载驱动失败java.lang.ClassNotFoundException: com.mysql.jdbc.driver at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at j...

问答 2020-06-01 来自：开发者社区

有个问题三年来一直忘了问，mysql为什么输入正确密码也登不进？热,数据库报错

" 用一段时间用的好好的，突然某一天打开输入密码，嘟一声就消失了。每次卸载都很麻烦，还要删除application data 中的记录，不然重装的时候要输入current password ！！  真悲催，现在我一直用的SQL 和 Oracle  ，有谁知道原因吗？？？？？？？  " ![image.png](https://ucc.alicdn.com/pic/d...

问答 2020-06-01 来自：开发者社区

刚安装完mysql 更改root的密码失败，提示信息如下,数据库报错

"You cannot use 'password' command as mysqld runs with grant tables disabled (was started with --skip-grant-tables). Use: "mysqladmin flush-privileges password '*'" instead 大概看得英语意思是没有权限什么的...

问答 2020-06-01 来自：开发者社区

MySQL5.7.20编码修改my.ini无效,数据库报错

因为之前要做一个类似朋友圈的项目，MySQL编码被我改成了utf8mb4，现在又要去做导师的一个东西，需要改回utf8，但是修改my.ini无效，请问是什么原因呢？现在查到的编码如下： +--------------------------+---------------------------------------------------------+ | Variable_name ...

问答 2020-06-01 来自：开发者社区

jira如何与mysql配置,数据库报错

jira安装数据库是怎么样的，安装完后如何与mysql配置

问答 2020-06-01 来自：开发者社区

mysql主从配置在linux环境下,数据库报错

" mysql服务器主从配置在LINUX环境下配置求高手给点配置方法和技术指导谢谢！！！" ![image.png](https://ucc.alicdn.com/pic/developer-ecology/5700bf18367e44cc8aef028601ccc2a4.png)

问答 2020-06-01 来自：开发者社区

mysql5.0.51 my.ini配置求指点,数据库报错

" 服务器环境及配置 MySQL 5.0.51 版本 apache2.2 windows 2008 32位主机数据库表类型采用的是MyISAM 4核 4GB内存内存目前使用情况600-800M 已经对程序进行了优化，当用户并发量大的时候（写入数据部分）出现apache CPU高涨，甚至有时候导致程序直接挂掉。以下是my.in的配置，请点评。 [client...

问答 2020-06-01 来自：开发者社区

vsftpd v3.0.2 用MYSQL 做多用户如何配置,数据库报错

" vsftpd v3.0.2 用MYSQL 做多用户如何配置研究几天了实在是搞不定 [右] 530 Permission denied. 求一份配置教材谢谢 " ![image.png](https://ucc.alicdn.com/pic/developer-ecology/c961efb4fd024dbfbd20fd4383ba84c1.png)

问答 2020-06-01 来自：开发者社区

MySql Galera Cluster 配置问题,数据库报错

" @agan 你好，想跟你请教个问题： MariaDB [(none)]> show status like 'wsrep%'; +--------------------------+----------------------+ | Variable_name            | Value     ...

问答 2020-06-01 来自：开发者社区

问一个mysql配置的问题, 非常严重..,数据库报错

" max_connections=100 这是my.ini中配置影响MySQL最大连接数. 假如不设置, 默认似乎是100 win本地单机测试, 无任何mysql连接, 使用与操作. 在设置10000时, 启动MySQL就占用2GB内存. 在设置1000000时, 直接死机(切勿测试这个值,不然...), 现在问题是, 为什么根本没有连接的mysql配置, 也会...

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