Please refer to: https://blogs.msdn.microsoft.com/azuredatalake/
Correspondent U-SQL SDK Nuget package is:
https://www.nuget.org/packages/Microsoft.Azure.DataLake.USQL.SDK/1.2.5238528
A SDK hotfix is also available:
https://www.nuget.org/packages/Microsoft.Azure.DataLake.USQL.SDK/1.2.5238528-HotFix

Please refer to: https://blogs.msdn.microsoft.com/azuredatalake/
Correspondent U-SQL SDK Nuget package is:
https://www.nuget.org/packages/Microsoft.Azure.DataLake.USQL.SDK/1.2.5223981

Please refer to: https://blogs.msdn.microsoft.com/azuredatalake/

Correspondent U-SQL SDK Nuget package is:
https://www.nuget.org/packages/Microsoft.Azure.DataLake.USQL.SDK/1.2.5186417

This is a preview release for verification of fixing to specific bugs. Please stay with production releases if you are not suggested to try this version.

This plug-in works with Visual Studio to enable easy authoring, debugging and tuning of Azure Data Lake Analytics queries, including U-SQL scripts. The latest version of this plug-in is also available on microsoft.com: https://www.microsoft.com/en-us/download/details.aspx?id=49504

Required:

• Visual Studio 2015 Update 3 or later
• Visual Studio 2013 Update 4 or later (Requires Visual C++ Redistributable for Visual Studio 2015
  https://www.microsoft.com/en-us/download/details.aspx?id=48145)
• Azure SDK version 2.7.1 or higher https://azure.microsoft.com/en-us/downloads/
• Windows 10, Windows 8.1, Windows Server 2012R2 (Some features require 64-bit Windows and Update for Universal C Runtime in Windows https://support.microsoft.com/en-us/kb/2999226 )

Historical version