instruction: how is a tag used in combination with other tags.
response: SELECT t.TagName, t2.TagName, COUNT(*) AS cnt FROM PostTags AS pt INNER JOIN Tags AS t ON t.Id = pt.TagId LEFT OUTER JOIN PostTags AS pt2 ON pt2.PostId = pt.PostId LEFT OUTER JOIN Tags AS t2 ON t2.Id = pt2.TagId LEFT JOIN Posts ON Posts.Id = pt.PostId WHERE t.TagName IN ('angular', 'reactjs', 'vue.js') AND t.TagName != 'javascript' AND t2.TagName != 'javascript' AND t.TagName != t2.TagName AND YEAR(Posts.CreationDate) = 2018 GROUP BY t.TagName, t2.TagName ORDER BY COUNT(*) DESC