MySQL字符集

-- 设置客户端字符集编码
set names gbk;
-- 查看字符集编码设置
show variables like 'character_set_%';
+--------------------------+------------+
| Variable_name            | Value      |
+---------+-----------------------------+
| character_set_client     | gbk        |
| character_set_connection | gbk        |
| character_set_database   | utf8mb4    |
| character_set_filesystem | binary     |
| character_set_results    | gbk        |
| character_set_server     | utf8mb4    |
| character_set_system     | utf8       |
| character_sets_dir       | /usr/local/Cellar/mysql/8.0.16/share/mysql/charsets/ |
+--------------------------+------------+
-- 插入中文字符
insert into tb_teacher (name, age) values ('张三', 23);

set 变量名 = 值;
-- 修改单个变量
set character_set_client = gbk;
-- 设置字符集
set names gbk;
-- 等价于
set character_set_client = gbk; // 让服务器识别客户端传过去的数据
set character_set_connection = gbk; // 更好的帮助客户端与服务器端之间惊醒字符集转换
set character_set_results = gbk; // 告诉客户端服务器返回的数据