Mysql安装总结
安装Mysql前:
1、如果:你(曾经安装过),需要(先卸载干净), 否则是(装不上)的。所以先谈(卸载)
2、如果:你没有(安装过),这是(第一次安装), 请直接看(第2部分)Mysql安装教程。
1、Mysql彻底卸载
分为三个步骤:
1、卸载Mysql(软件)
2、删除Mysql(残留文件)
3、删除mysql(注册表)
4、重启电脑
1.1、 卸载Mysql(软件)
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1.2、删除Mysql(残留文件)
把3个目录下的
:Mysql目录(删除掉)
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1.3、 删除mysql(注册表)
第一步:打开注册表
window + R中输入:regedit
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第二步:删除mysql注册表
找到这6个路径:(分别删除Mysql)
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl001\Services\MYSQL
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl002\Services\MYSQL
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MYSQL
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Eventlog\Application\MySQL
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL
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1.4、重启电脑
不重启:可能装不上。
2、安装Mysql
1、官网安装
2、选版本(看个人需求)
3、正式安装(MSI版本)是microsoft installer的简写,是微软格式的安装包。
2.1、官网安装
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2.2、选择版本
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2.3、正式安装
第一步: Download安装
此处我选择:Mysql 8.0.23 最新版本 (其余版本:操作也是一致的)
第二步:打开Mysql安装包,安装
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如果:出现了这个,点击安装。
如果:没有出现,说明你(安装其他)软件时,
已经装过
, 不必慌张。
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2.4、配置环境变量
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2.5、测试:是否安装成功
cmd中输入:mysql -u root -p
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3、Navicat连接Mysql
Navicat连接Mysql 是建立在:Mysql已(成功安装了)的(前提下)
3.1、下载Navicat
3.2、安装:
安装方法:一路下一步就好,注意(选择下:安装路径),以后(删除方便)
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3.3、连接Mysql测试
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sql代码:
create table student(
stuId int primary key,
sname varchar(20)
)charset=utf8;
insert into student values(1, '张三');
insert into student values(2, '王五');
select * from student;
4、操作过程中可能遇到的问题
会一直更新