转载自:https://blog.csdn.net/sinat_39302317/article/details/81082801
-- 创建数据库时,设置数据库的编码方式
-- CHARACTER SET:指定数据库采用的字符集,utf8不能写成utf-8
-- COLLATE:指定数据库字符集的排序规则,utf8的默认排序规则为utf8_general_ci(通过show character set查看)
drop database if EXISTS dbtest;
create database dbtest CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 修改数据库编码
alter database dbtest CHARACTER SET GBK COLLATE gbk_chinese_ci;
alter database dbtest CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 创建表时,设置表、字段编码
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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-- 修改表编码
alter table tbtest character set utf8 COLLATE utf8_general_ci;
-- 修改字段编码
ALTER TABLE tbtest MODIFY email VARCHAR (60) CHARACTER SET utf8 COLLATE utf8_general_ci;
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-- 查看所有的字符编码
SHOW CHARACTER SET ;
-- 查看创建数据库的指令并查看数据库使用的编码
show create database dbtest;
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-- 查看数据库编码:
show variables like '%char%' ;
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