MySQL8.0安装及配置教程(Window)

一、下载mysql

  1. 进入MySQL官网下载8.0版本
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  2. 选择下载MySQL Installer for Windows,安装包安装过程简单
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  3. 选择Windows (x86, 32-bit), MSI Installer
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二、安装mysql

安装包试比较简单,只要一直按【Next】并填写下相关信息就可以
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### MySQL 8.0 Server Installation and Configuration Guide #### Prerequisites Before installing MySQL, ensure that the system meets all prerequisites such as having a supported operating system version installed with necessary dependencies available. For Ubuntu systems, it is important to prepare by updating package lists and ensuring development tools are present[^2]. #### Installing MySQL Using APT Repository To install MySQL on Debian-based distributions like Ubuntu: Add the official MySQL repository using `mysql-apt-config` tool which can be downloaded from the MySQL website or directly via wget command. ```bash wget https://dev.mysql.com/get/mysql-apt-config_0.8.15-1_all.deb sudo dpkg -i mysql-apt-config_0.8.15-1_all.deb ``` Update apt-get sources list after adding new repositories: ```bash sudo apt update ``` Install MySQL server along with other required packages: ```bash sudo apt install mysql-server ``` During this process, if encountering issues while configuring through GUI dialogues where selecting "Ok" does not close window properly, try pressing Enter key instead of clicking buttons manually[^3]. #### Post Installation Setup After successful installation, secure your database instance running security script provided by default post-installation: ```bash sudo mysql_secure_installation ``` This will prompt you to set root password among several options enhancing overall security posture. #### Configuring Temporary Directories By examining global variables related to temporary directories (`tmpdir`) and table sizes (`tmp_table_size`), one finds these settings control how much space is allocated for internal operations within `/tmp` directory unless specified otherwise during compile time or runtime configurations[^4]. ```sql SHOW GLOBAL VARIABLES WHERE Variable_name='tmpdir' OR Variable_name ='tmp_table_size'; ``` If custom paths need assignment outside standard locations due to storage constraints or performance considerations, modify configuration files accordingly before restarting services. #### Verifying Installation Success Check service status confirming proper operation without errors reported in logs located typically under `/var/log/mysql/error.log`. Connectivity tests should also follow including verifying client connectivity locally first followed remotely once firewall rules permit external access safely configured.
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