Projects Supporting "Data Sources" Window

MSDN documentation says "The Show Data Sources command is only available in projects that support cr开发者_Go百科eating and working with data sources." However, it does not say or give a list of which projects those are. What are the projects that permit / use the "data sources" window?

Check this other MSDN page that has a more details on data sources and the type of projects where you would have access to them