1. To select all in Vim, use ggVG. 2. Use 99999yy to select and copy everything. 3. To select and copy all, use $yy. 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 po...
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 in the last line. Then, you can either press theykey to yank (copy) ordkey to delete it. This is si...
...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 ...
MySQL SELECT增量组行号是一种用于对查询结果进行分组并为每个组的行分配递增的行号的技术。它在某些情况下非常有用,例如统计每个分组中的行数或对结果进行排名。 具体的实现方法是使用MySQL的用户变量(User-Defined Variables)来保存行号,并在查询过程中递增。以下是一个示例查询,说明如何实现增量组行号: 代码语言:txt...
1. http://stackoverflow.com/questions/7797068/copying-a-word-and-pasting-over-a-word viwp - visually select a word, and paste over it by something in the clip. 2. How to copy/delete word under cursor in Vimhttp://www.littletechtips.com/2011/05/how-tovim...
vim的操作就不用讲了吧 输入i 进入插入模式 找到他们,修改为0.0.0.0 bind-address = 0.0.0.0 按下键盘esc 输入:wq(保存退出) 回车 重启MySQL服务 sudo service mysql restart 1. 或者 /etc/init.d/mysql restart 1. 第6 步 - 打开防火墙 使用ss 命令检查开放端口 ...
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...
数据库的insert\update\delete\select查询 数据库的增删改查总结...MySQL log_bing恢复delete / update /drop 数据 首先开启MySQL的log_bin设置,修改mysql配置文件 #vim /etc/my.cnf 在[mysqld]下检查是否有 log-bin=mysql-bin 设置,没有的话加上这条设置 重启mysql 测试是否启用log-bin,在数据库新建一...
vimdiff(1) vimdot(1) vimtutor(1) vipw(1B) vmmouse_detect(1) vncconfig(1) vncpasswd(1) vncserver(1) vncviewer(1) volcheck(1) volrmmount(1) vp(1) w(1) wait(1) Wand-config(1) watchgnupg(1) wbinfo(1) wc(1) wc(1g) webalizer(1) webpng(1) werl(1) wftopfa(1) wget(1)...
SQL语句->SELECT语句|UPDATE语句|DELETE语句|INSERT语句 值->[a-zA-Z]+[0-9]*(_)[a-zA-Z]+[0-9]* SELECT语句->SELECT语句[UNION|UNION ALL] SELECT语句|SELECT (DISTINCT)字段FROM表名(分组) (连接) (WHERE条件) (排序) 表名->值|SELECT语句(AS值) ...