mac 使用mysql 5.7.9

1.設置環境變量

PATH="$PATH":/usr/local/mysql/bin

2.跳過密碼驗證

sudo mysqld_safe --skip-grant-tables --skip-networking &

3.修改密碼

update mysql.user set authentication_string=PASSWORD('123456') where user='root' and host='localhost';

flush privileges;