题解 | #计算刷题总人数#
计算刷题总人数
https://www.nowcoder.com/practice/aec305f85d75482e83dc69dd48e2cbfa
SELECT
COUNT(DISTINCT user_id) AS cnt
FROM questions_pass_record_detail
计算刷题总人数
https://www.nowcoder.com/practice/aec305f85d75482e83dc69dd48e2cbfa
SELECT
COUNT(DISTINCT user_id) AS cnt
FROM questions_pass_record_detail
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