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题解 | SaaS平台企业客户新功能采纳度分析
WITH t1 AS( SELECT a.team_id, a.team_name, COUNT(b.team_id) AS april_usage_count, CASE WHEN COUNT(b.team...
2026-02-04
0
7
题解 | 在线教育平台活跃学员课程评价分析
WITH base AS( SELECT a.user_id, a.course_id, ROUND(AVG(b.rating),2) AS average_rating, CASE WHEN ROUND(AVG(b.rating),2)...
2026-02-04
0
9