SQL Server Data Tools 2015 installation error
问题 I'm trying to install SQL Server Data Tools - Visual Studio 2015, but I keep getting an "Unspecified error". The log file is at https://drive.google.com/open?id=0B3CEKzS2Sw8OODNJOXZJVGRWQlU. I already have Visual Studio Professional 2015 installed. I want to install SSDT 2015 because my databases were recently migrated from SQL Server 2008 R2 to 2014, and I need to use SSIS. Previously, I used SQL Server Business Intelligence Development Studio to create my DTS packages, which I still have