참조 https://osskdb.wordpress.com/2016/09/01/heidisql%EC%9D%84-%EC%9D%B4%EC%9A%A9%ED%95%9C-import/ https://blog.naver.com/PostView.naver?blogId=pmw9440&logNo=222521168086&from=search&redirect=Log&widgetTypeCall=true&directAccess=false
