Q&A for professional and enthusiast programmers
SELECT H.PostId AS [Post Link], H.UserId AS [User Link], -- editor H.CreationDate, -- edit timestamp H0.Text AS OriginalTags, H .Text AS NewTags FROM PostHistory H JOIN PostHistory H0 ON H0.PostId = H.PostId WHERE H0.PostHistoryTypeId = 3 -- initial tags AND H0.Text COLLATE Latin1_General_BIN LIKE '%<vscode-extensions>%' AND H .Text COLLATE Latin1_General_BIN NOT LIKE '%<vscode-extensions>%' AND H.PostHistoryTypeId = 6 -- edit tags ;