# mysql 主从复制教程
use mysql
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123';
FLUSH PRIVILEGES;
# ----------------------------------------
# 登录
mysql -u root -p
# 使用端口号登录
mysql -h localhost -u root -p -P 3307
# ----------------------------------------
# 切换到------------主库
# 创�
