Test 3 - Quarry

This query is marked as a draft This query has been published by Aram.

SQL

USE ckbwiki_p;
SELECT
    COUNT(DISTINCT user.user_id) AS user_count,
    SUM(user_properties.up_value = 'male') AS male_count,
    SUM(user_properties.up_value = 'female') AS female_count,
    COUNT(DISTINCT user.user_id) - SUM(user_properties.up_value IN ('male', 'female')) AS remaining_count
FROM
    user
LEFT JOIN
    user_properties ON user.user_id = user_properties.up_user AND user_properties.up_property = 'gender';

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