轉載自：https://blog.csdn.net/sinat_39302317/article/details/81082801
| -- 創建數據庫時,設置數據庫的編碼方式
-- CHARACTER SET:指定數據庫采用的字符集,utf8不能寫成utf-8
-- COLLATE:指定數據庫字符集的排序規則,utf8的默認排序規則為utf8_general_ci（通過show character set查看）
drop database if EXISTS dbtest;
create database dbtest CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 修改數據庫編碼
alter database dbtest CHARACTER SET GBK COLLATE gbk_chinese_ci;
alter database dbtest CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 創建表時，設置表、字段編碼
use dbtest;
drop table if exists tbtest;
create table tbtest(
id int(10) auto_increment,
user_name varchar(60) CHARACTER SET GBK COLLATE gbk_chinese_ci,
email varchar(60),
PRIMARY key(id)
)CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 修改表編碼
alter table tbtest character set utf8 COLLATE utf8_general_ci;
-- 修改字段編碼
ALTER TABLE tbtest MODIFY email VARCHAR(60) CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 查看所有的字符編碼
SHOW CHARACTER SET;
-- 查看創建數據庫的指令並查看數據庫使用的編碼
show create database dbtest;
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-- 查看數據庫編碼：
show variables like '%char%';
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