SQL Server Data Tools build on the capabilities of the Business Intelligence Design Studio. It adds capabilities for doing development and maintenance of databases with Visual Studio.
XTIVIA can work with your developers to help with problem resolution and performance enhancement.
SQL Server Data Tools is a replacement for Business Intelligence Development Studio. It allows you to do everything that you could do in BIDS as well as schema and data comparison, SQLCLR development, stored procedure debugging and tools for database development.