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HomeDatabaseMysql TutorialTutorial on how to install the decompressed version of MySQL5.7.18 under Windows

这篇文章主要为大家详细介绍了Windows安装MySQL 5.7.18 解压版的详细教程,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

一、安装过程

MySQL 版本:5.7.18

1 、配置my.ini文件(简单的配置),放到MySQL的根目录下,此处的文件路径配置需要为绝对路径(使用反斜杠需要双拼,斜杠一个就可以了)(data文件夹不用自己创建,后面生成)


[client]
default-character-set=utf8
[mysqld]
port=3306
character_set_server=utf8
basedir="D:\\mysql-5.7.18-winx64"
datadir="D:\\mysql-5.7.18-winx64\\data"
# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
[WinMySQLAdmin]
D:\\mysql-5.7.18-winx64\\bin\\mysqld.exe


2 配置环境变量,在Path中配置bin目录

3 初始化数据库,生成data文件夹以及其中的一些配置文件(初始化后会生成root账户的默认密码:在xx.err文件中)


mysqld -initialize
# err文件示例:
[Note] A temporary password is generated for root@localhost: w1BI/g/y.wfx

4 注册服务


mysqld -install

5 启动MySQL


net start mysql

6 启动后登录,填入生成的默认密码


mysql -uroot -p

7 修改账户的密码


set password for root@localhost=password('root');

8 停止MySQL服务


net stop mysql

9 若想删除MySQL服务,可以是有下面命令删除


mysqld -remove

二、安装后问题

ONLY_FULL_GROUP_BY 问题

使用后有时会报错:

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'col_user_6.a.START_TIME' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

原因:MySQL 默认开启了only_full_group_by模式,这个只能获取受到group by影响的字段信息,不能与其它没有受到group by影响的字段共存,或者是只能将group by的字段放到select关键字的首位,这个是有局限的
解决方案:

1)直接sql解决:这个解决方案有点局限性,就是数据库重启的时候还是会默认启动only_full_group_by模式

复制代码 代码如下:

SET @@global.sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_pISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';

2)永久性解决:在my.ini文件[mysqld]下,添加以下条件,这样在MySQL启动的时候将only_full_group_by模式过滤掉了

复制代码 代码如下:

sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_pISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'

三 控制脚本

最后写一个控制脚本,这样就可以在自己使用MySQL的时候频繁的使用命令操作了


cls 
@echo off
:设置窗口字体颜色
color 0a 
:设置窗口标题
TITLE MySQL管理程序

call :checkAdmin

goto menu
:菜单
:menu
cls
echo. 
echo.=-=-=-=-请选择您要对MySQL的操作-=-=-=-=-
echo.
echo.1: 启动MySQL
echo.
echo.2: 关闭MySQL
echo. 
echo.3: 重启MySQL
echo. 
echo.4: 退 出
echo.
echo.=-=-=-=-请输入您要选择的项目序号↓-=-=-=-
set /p id=
if "%id%"=="1" goto startup
if "%id%"=="2" goto shutdown
if "%id%"=="3" goto reboot
if "%id%"=="4" exit
pause

:启动
:startup
echo.
call :checkMySQL 1
echo.启动MySQL......
net start "MySQL"
echo.启动MySQL成功!
pause 
goto menu 

:停止
:shutdown
echo.
call :checkMySQL 2
echo.关闭MySQL......
net stop "MySQL"
echo.关闭MySQL成功!
pause 
goto menu

:重启
:reboot
echo.
call :checkMySQL 2
echo.关闭MySQL......
net stop "MySQL"
echo.关闭MySQL成功!
goto startup
goto menu

:退出
:goout
pause
goto menu

:检查MySQL进程是否存在
:checkMySQL
set /a count=0
for /f "tokens=1 delims= " %%i in ('tasklist /nh ^| find /i "MySQL"') do (set /a count+=1)
if %count% neq 0 if "%1" equ "1" (
 echo 警告:MySQL已启动
 goto goout
)
if %count% equ 0 if "%1" equ "2" (
 echo 警告:MySQL未启动
 goto goout
)

:检查是否是以管理员身份运行
:checkAdmin
echo test am i admin? > %SystemRoot%\System32\admin.hujunjie
if not exist %SystemRoot%\System32\admin.hujunjie (
 echo 警告:请以管理员身份运行!
 pause
 exit
)
# 这里的xxxx可以自己设定
del %SystemRoot%\System32\admin.xxxx

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