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Q&A for professionals, academics, and students working within the systems development life cycle

SELECT
    COUNT(*) AS TotalPosts,
    SUM(CASE WHEN CommentCount = 0 THEN 1 ELSE 0 END) AS PostsWithoutComments,
    FORMAT(CAST(SUM(CASE WHEN CommentCount = 0 THEN 1 ELSE 0 END) AS DECIMAL) * 100 / COUNT(*), 'N2') + '%' AS PercentageWithoutComments
FROM Posts;

fork query

edited nov 2

created nov 1 jon.doe46164