#!/usr/bin/perl use DBI; use Encode; $user="root"; $passwd="1234567"; $dbh="192.168.32.232"; my $table=<STDIN>; chomp $table; print "\$table is $table\n"; my $table=encode("utf8",decode("gbk&quo
utf-8 时变化长度的编码,储存一个code point 需要1~4个字节. 然而,mysql的utf8只存储最多3个字节per code point. 所以,utf8字符集不能存储所有的unicode code points. 只能从0x000 to 0xFFFF(叫做Basic Multilingual Plane:BMP) The character set named utf8 uses a maximum of three bytes per character and contai
1.建立数据库时指定数据库db_test为utf8编码.: create database db_test character set utf8; 修改数据库db_test编码的命令为: alter database db_test character set utf8: 2.检查现在的数据库编码设置. show variables like ‘%character%’; show variables like’%collation%’; 默认一般是latin1. 3.修改mysql编码 se
由于需要用到utf8mb4,之前是utf8现在给改成utf8mb4 查看当前环境 SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\_%' OR Variable_name LIKE 'collation%'; +--------------------------+--------------------+ | Variable_name | Value | +--------------------------+---------
当使用korma内置的mysql方法时,无法添加utf-8的支持.解决的方法就是重写mysql方法,代码如下: (defn mysql "改编自korma,添加了utf-8的支持" [{:keys [host port db make-pool?] :or {host "localhost", port 3306, db "", make-pool? true} :as opts}] (merge {:classname "com.my
get '/api/log_mon/get_log' => sub{ my $c = shift; my $env = $c->param('env'); my $host = $c->param('host'); use DBI; my $dbUser='DEVOPS'; my $user="root"; my $passwd="1234567"; my @arr2=();; my $dbh = DBI->connect("dbi
https://mathiasbynens.be/notes/mysql-utf8mb4#utf8-to-utf8mb4 How to support full Unicode in MySQL databases Published 30th July 2012 · tagged with MySQL, security, Unicode Alternative title: The things we do to store U+1F4A9 PILE OF POO (