Task3 SQL语句错误
Solawhite opened this issue · comments
Task03:复杂一点的查询.md
3.2.6 关联子查询
SELECT product_type, product_name, sale_price
FROM product ASp1
WHERE sale_price > (SELECT AVG(sale_price)
FROM product ASp2
WHERE p1.product_type =p2.product_type
GROUP BY product_type);
感谢勘误,已修正