Loading... <img class=" lazyloaded" title="1480776820928760.jpg" src="https://www.zsythink.net/wp-content/uploads/ueditor/php/upload/image/20161203/1480776820928760.jpg" alt="mysql.jpg" data-src="https://www.zsythink.net/wp-content/uploads/ueditor/php/upload/image/20161203/1480776820928760.jpg" style=""> 本文总结了在命令行下连接mysql的常用命令 在本博客中,”mysql”是一个系列文章,这些文章主要对mysql/mariadb的常用知识点进行了总结,每一篇博客总结的知识点有所不同,具体内容可参考mysql文章列表。 mysql文章列表直达链接:<a href="https://www.zsythink.net/archives/tag/mysql/" target="_blank" rel="noopener">mysql知识点总结</a> 如下命令表示使用root用户(mysql的root用户,非系统root用户)连接到mysql数据库,-u表示指定用户,-p表示将会提示输入密码,-u与root用户名之间的空格可省略。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -p</span></div> </div> </div> </div> 如下命令表示使用root用户连接数据库,并且直接以明文的方式指定密码,注意,下例中的密码为123123,密码与-p选项之间不能存在空格。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -p123123</span></div> </div> </div> </div> 在连接mysql时,可以直接指定将要登录的具体的数据库,使用-D指定数据库名称,如下命令表示连接mysql数据库后直接使用test数据库。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -D test -p123123</span></div> </div> </div> </div> 在本地连接到mysql时,可以指定通过哪个套接字文件连接到数据库,通过-S指定套接字位置。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -p -S /var/lib/mysql/mysql.</span><span class="enlighter-m3">sock</span></div> </div> </div> </div> 在连接到mysql时,可以指定要连接到远程的哪一台主机的mysql上,也可以指定端口,-h指定mysql主机,-P大写,指定mysql服务对应的端口,连接的前提是已经授权当前客户端的IP地址能够连接到数据库。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -p -h </span><span class="enlighter-n0">192.168</span><span class="enlighter-text">.</span><span class="enlighter-m3">1</span><span class="enlighter-text">.</span><span class="enlighter-m3">103</span><span class="enlighter-text"> -P </span><span class="enlighter-n1">3306</span></div> </div> </div> </div> 连接数据库的同时执行对应命令,并且返回命令对应的结果,并不会进入mysql提示符。 示例如下,表示连接数据库的同时,执行-e选项后面跟随的sql语句,并且返回语句执行的结果。 <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -u root -p123123 -e </span><span class="enlighter-s0">'use mysql; select user,host,password from user;'</span></div> </div> </div> </div> <div class="enlighter-default enlighter-v-standard enlighter-t-enlighter enlighter-hover enlighter-overflow-scroll"> <div class="enlighter-toolbar"> <div class="enlighter-btn enlighter-btn-raw"></div> <div class="enlighter-btn enlighter-btn-copy"></div> <div class="enlighter-btn enlighter-btn-window"></div> </div> <div class="enlighter"> <div class=""> <div><span class="enlighter-text">mysql -uroot -p123123 -e </span><span class="enlighter-s0">'create database if not exists testdb; show databases;'</span></div> </div> </div> </div> 连接数据库的常用选项 –host=host_name, -h host_name:服务端地址; –user=user_name, -u user_name:用户名; –port=port_num, -P port_num:服务端端口; –socket=path, -S path –database=db_name, -D db_name: –compress, -C:数据压缩传输 –execute=statement, -e statement:非交互模式执行SQL语句; –vertical, -E:查询结果纵向显示; –protocol={TCP|SOCKET|PIPE|MEMORY}: 转载自朱双印日志https://www.zsythink.net/archives/22 Last modification:May 29, 2024 © Allow specification reprint Like 如果觉得我的文章对你有用,请随意赞赏