SQL演習の修正したファイル

1.三階松/SQL_exercises/30.価格が 50,000 以下の製品の平均価格よりも高い(以上)製品の売上合計.sql

 --select * from M_PRODUCT;
-select * from T_SALE order by procode asc;
+--select * from T_SALE order by procode asc;
 
 /*
 1.製品リストより、50,000円以下の商品に絞る
@@ -15,4 +15,4 @@ select * from T_SALE order by procode asc;
 --select M_PRODUCT.procode, M_PRODUCT.proname, M_PRODUCT.price, T_SALE.number, (M_PRODUCT.price * T_SALE.number) as uriage from M_PRODUCT left join T_SALE on M_PRODUCT.procode = T_SALE.procode  where price >= (select avg(price) from M_PRODUCT where price <= 50000);
 --select sum(M_PRODUCT.price * T_SALE.number) as sou_uriage from M_PRODUCT left join T_SALE on M_PRODUCT.procode = T_SALE.procode  where price >= (select avg(price) from M_PRODUCT where price <= 50000);
 
-select M_PRODUCT.price * T_SALE.number from M_PRODUCT left join T_SALE on M_PRODUCT.procode = T_SALE.procode  where price >= (select avg(price) from M_PRODUCT where price <= 50000);
+select sum(cast(M_PRODUCT.price * T_SALE.number as bigint)) from M_PRODUCT left join T_SALE on M_PRODUCT.procode = T_SALE.procode  where price >= (select avg(price) from M_PRODUCT where price <= 50000);

1.三階松/SQL_exercises/9.製品マスタで PRICE が 10,000 以上で、かつ COST が 50,000 未満のもの.sql

 --select * from M_PRODUCT;
-select * from M_PRODUCT where (price > 10000) and (cost < 50000);
+select * from M_PRODUCT where (price >= 10000) and (cost < 50000);
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