Question: How much are the tools used in % by developers learning to code?
SQL:
SELECT TechTools.name, COUNT(TechTools.id) * 100.0 / (SELECT COUNT(DISTINCT Response_id) FROM Response_ToolsTechHaveWorkedWith) FROM TechTools JOIN Response_ToolsTechHaveWorkedWith ON TechTools.id = Response_ToolsTechHaveWorkedWith.TechTools_id JOIN Responses ON Responses.id = Response_ToolsTechHaveWorkedWith.Response_id WHERE Responses.ResponderDescription = 'I am learning to code' GROUP BY TechTools.name