We are writing a new application, and while testing, we will need a bunch of dummy data. I\'ve added that data by using MS Access to dump excel files into the relevant table
You can generate INSERT or MERGE statement with this simple and free application I wrote a few years ago:
Data Script Writer (Desktop Application for Windows)
Also, I wrote a blog post about these tools recently and approach to leveraging SSDT for a deployment database with data. Find out more:
Script and deploy the data for database from SSDT project