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本篇內容主要講解“Mysql 數據庫怎么查看使用的編碼”,感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷,實用性強。下面就讓丸趣 TV 小編來帶大家學習“Mysql 數據庫怎么查看使用的編碼”吧!
Mysql 數據庫默認編碼查看使用的編碼 1. 使用 status 查看
mysql status
--------------
mysql Ver 14.14 Distrib 5.6.44, for Linux (x86_64) using EditLine wrapper
Connection id: 22
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile:
Using delimiter: ;
Server version: 5.6.44 MySQL Community Server (GPL)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /var/run/mysqld/mysqld.sock
Uptime: 6 hours 31 min 31 sec
Threads: 1 Questions: 905 Slow queries: 1 Opens: 74 Flush tables: 1 Open tables: 67 Queries per second avg: 0.038
--------------
Server characterset: latin1
Db characterset: latin1 (數據庫編碼格式)
Client characterset: utf8 (客戶端連接進來的編碼格式)
Conn. characterset: utf8 (接入的編碼格式)
2. 使用 show variables
show variables like character
mysql show variables like character%
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
/etc/my.cnf 文件中修改配置信息
使用默認的配置信息
本機訪問自己的數據庫:Server characterset: latin1
status
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
show variables like character%
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
創建一個數據庫 encodtest, 查看其編碼信息
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
mysql show variables like character%
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
character_set_database 是數據庫的編碼格式
創建一個 test 表查看其默認的編碼格式
show create table test;
+-------+-------------------------------
| Table | Create Table |
+-------+-------------------------------
| test | CREATE TABLE `test` (`id` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
+-------+-------------------------------
DEFAULT CHARSET=latin1 默認的編碼格式是 latin1, 與數據庫編碼格式相同
更改配置文件 /etc/my.cnf
添加設置:
[client]
default-character-set = utf8
[mysqld]
character-set-server=utf8
collation-server=utf8_unicode_ci
本機進入數據庫
查看編碼格式:
status
Server characterset: utf8
Db characterset: utf8
Client characterset: utf8
Conn. characterset: utf8
show variables like char%
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
創建數據庫查看其編碼
與上面相同
創建表查看編碼:
+-------+------------------------------------------------------
| Table | Create Table |
+-------+------------------------------------------------------
| test | CREATE TABLE `test` (`id` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci |
+-------+-----------------------------------------------------
DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci 默認的編碼格式與配置相同
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