Q&A for professional and enthusiast programmers
SELECT SUM(CASE WHEN PH.Id IS NOT NULL THEN 1 ELSE 0 END), COUNT(*) FROM Posts P LEFT JOIN PostHistory PH ON PH.PostId = P.Id AND PH.Comment = '3' AND PH.PostHistoryTypeId = 10 WHERE P.Title IS NOT NULL AND P.PostTypeId = 1 AND Title LIKE '%interview%'