brew install postgresql
brew services start postgresql  # 启动服务
brew services stop postgresql   # 停止服务

sudo apt update
sudo apt-get install postgresql
sudo systemctl status postgresql
sudo -u postgres psql

pg_dump -t mytable mydb > table.sql

brew install mysql
brew services start mysql  # 启动服务
brew services stop mysql   # 停止服务

sudo apt update
sudo apt-get install mysql-server
sudo systemctl start mysql

mysql -u <user_name> -h <host> -D <database> -p < backup.sql