题解 | 商品id数据清洗统计
商品id数据清洗统计
https://www.nowcoder.com/practice/c985ecbd820b46e6bafa858f6600126d
select REGEXP_SUBSTR(order_id,'p[0-9]+') as product_id, count(REGEXP_SUBSTR(order_id,'p[0-9]+')) as cnt from order_log group by 1 order by cnt desc limit 1