Microsoft is releasing a preview of their JDBC driver:
We are committed to continuously updating the JDBC driver to bring more feature support for connecting to SQL Server, Azure SQL Database, and Azure SQL DW. Please stay tuned for upcoming releases that will have additional feature support. This applies to our wide range of client drivers including PHP 7.0, Node.js, ODBC, and ADO.NET which are already available.
Don’t forget Hadoop integration (e.g., via Sqoop) while you’re at it…