We are using Magento 2.0 , It was working fine for 2 days suddenly from yesterday It stopped working,Please suggest quick solutions. Below is the error attached.
Magento Admin page is throwing “SQLSTATE[HY000]  Connection refused” error.
Based on your Error,
Error represents your localhost/mysql connection problem. First check your localhost connection is working or not ? Your database for project is properly exist or not.
Check and let me know if you need any other help.