Question: Which IDEs do how many professional want to use and what are they currently using?
SQL:
SELECT NEWCollabTools1.name AS have_worked_with, NewCollabTools2.name AS want_to_work_with, COUNT(*) FROM Response_NewCollabToolsHaveWorkedWith JOIN NEWCollabTools AS NEWCollabTools1 ON Response_NewCollabToolsHaveWorkedWith.NewCollabTools_id = NEWCollabTools1.id JOIN Response_NewCollabToolsWantToWorkWith ON Response_NewCollabToolsWantToWorkWith.Response_id = Response_NewCollabToolsHaveWorkedWith.Response_id JOIN Responses ON Response_NewCollabToolsWantToWorkWith.Response_id = Responses.id JOIN NEWCollabTools AS NEWCollabTools2 ON Response_NewCollabToolsWantToWorkWith.NewCollabTools_id = NEWCollabTools2.id WHERE Responses.ResponderDescription = 'I am a developer by profession' GROUP BY NEWCollabTools1.name, NewCollabTools2.name