Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
SELECT DATEADD(mm, (Year(Posts.CreationDate) - 1900) * 12 + Month(Posts.CreationDate) - 1, 0) AS Month, Tags.TagName, COUNT(*) AS Questions FROM Tags LEFT JOIN PostTags ON PostTags.TagId = Tags.Id LEFT JOIN Posts ON Posts.Id = PostTags.PostId LEFT JOIN PostTypes ON PostTypes.Id = Posts.PostTypeId WHERE Tags.TagName IN ( 'chromadb', 'pinecone', 'qdrant' ) AND PostTypes.Name = 'Question' AND -- Exclude the current month Posts.CreationDate < DATEADD(month, DATEDIFF(month, 0, GETDATE()), 0) GROUP BY Year(Posts.CreationDate), Month(Posts.CreationDate), Tags.TagName ORDER BY Year(Posts.CreationDate), Month(Posts.CreationDate), Tags.TagName