mysql my.cnf文件

• Linux下一般是/etc/my.cnf

vim /etc/my.cnf

• my.cnf文件内容
• 添加 default-character-set = utf8 和character_set_server=utf8

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
character_set_server=utf8
[mysql]
default-character-set = utf8
[mysql.server]
default-character-set = utf8
[client]
default-character-set = utf8
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
default-character-set = utf8

查看mysql启动日志

cd /var/log/mariadb/
vi mariadb.log

停止

systemctl stop mariadb.service

启动

systemctl start mariadb.service

创建数据库 指定字符集

CREATE DATABASE Doctors DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

更改字符集

ALTER DATABASE db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;