题解 | SQL 181. 某宝店铺的实际销售额与客单价
某宝店铺的实际销售额与客单价
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WITH t1 AS ( SELECT SUM(sales_price) AS sales_total, ROUND( SUM(sales_price) / COUNT(DISTINCT user_id) , 2) AS per_trans FROM sales_tb ) SELECT * FROM t1;