JDBC: Simple MSSql connection example not working

Question

I am learning Java and need to just run something simple to retrieve some data from MSSQL via JDBC. The example in my book doesn\'t work (but it is several years old) and th

Answer 1

Causes :

1. protocol (TCP/IP) is not enabled
2. Port is incorrect
3. missing of sqljdbc_auth.dll

Answer 2

In my Case : I wasn't adding the port number in the URL string

String url = "jdbc:sqlserver://ABC\\SQLEXPRESS;databaseName=xyz;portNumber=1433"

it solved my issue