4. To paste all in Vim, use p 5. To delete all lines in Vim, use gg and dgg 6. Conclusion An editor that allows for faster text editing and with a powerful and highly customizable command-line tool is known as vim editor. Bram Moolenaar created Vim editor, which is recognized as a...
...Step 1 找到配置文件/etc/my.cnf(或则关联文件夹找到mysql-server.cnf) Step 2: 在上述文件内的[mysqld]后追加(sudo vim /etc/my.cnf)...6.4、联合查询 union 用来把两个或两个以上select语句的查询结果输出连接成一个单独的结果集。...mysql 聚合函数函数名称 作用 max 查询指定列的最大值 min ...
Let's discuss how you can select everything in Vim. It can be easily done with a 4 character command! Following are the keys to press (in Normal mode) to select everything in Vim: ggVG Copy This will select everything from the first character in the first line to the last character ...
首先需要安装 VSC 的 VIM 插件通用 gd: VSC 类似 Ctrl+点击, 查看所选内容的引用 gh: 类似于鼠标 hover af - visua mode command which selects...) 按照单词移动 w: 跳到下一个单词的开头 b: 跳到当前单词或者上一个单词的开头 e: 跳到当前单词或者下一个单词的结尾 ge: 调到上一个单词的结果行按照...
CLI(command-line interface)、JDBC/ODBC(jdbc 访问 hive)、WEBUI(浏览器访问 hive)元数据:Metastore元数据包括:表名、表所属的数据库(默认是 default)、表的拥有者、列/分区字段、表的类型(是否是外部表)、表的数据所在目录等;默认存储在自带的 derby 数据库中,推荐使用 MySQL 存储 MetastoreHadoop...
1 row in set (0.00 sec) slave1配置 [root@localhost ~]# vim /etc/my.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock symbolic-links=0 log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid server-id=2 ##服务器标识 binlog_format=row gtid_mode...
This is a Vim plugin written in Vim9 script to select command-line history on command-line and command-line window. Requirements Vim 9.0.2170 or later. Example configuration In your .vimrc: vim9script cnoremap <C-o> <Cmd>call cmdhistory#Select()<CR> augroup setup-cmdhistory-plugin-for...
command(1) comp_err(1) compare(1) composite(1) compress(1) config.guess(1) config.sub(1) config_data(1) conflict(1) conjure(1) constype(1) continue(1) convert(1) convmv(1) corelist(1) cp(1) cp(1g) cpack(1) cpan(1) cpan2dist(1) cpanp(1) cpio(1) cpp(1) cpp(1) cpu...
1.explain作用explain语句提供了MySQL如何执行语句的信息。解释选择、删除、插入、替换和更新语句如何工作。 2.如何使用explainyour command;select_type explain执行计划 select* from person 其中select_type的含义 table的含义表名type的含义 key的含义 row的含义 扫描的数量 extra的含义...查看SQL执行的频次 show GLO...
else command = { cmd } end return all_trim(vim.fn.system(command)) endlocal function change_im_select(cmd, method) local command = {} if cmd:find("fcitx5-remote", 1, true) then command = { cmd, "-s", method } elseif cmd:find("fcitx-remote", 1, true) then ...