-------4列:集团 机构 商品一的比例 商品二的比例
SELECT GROUP_ "集团",
ORG_ "机构",
SUM(DECODE(PRODUCT_, '商品一', SALE_AMOUNT)) / SUM(SALE_AMOUNT) "商品一比例",
SUM(DECODE(PRODUCT_, '商品二', SALE_AMOUNT)) / SUM(SALE_AMOUNT) "商品二比例"
FROM TABLE_NAME
GROUP BY GROUP_, ORG_;
------4列:集团 机构 商品 商品所占比例
SELECT GROUP_ "集团",
ORG_ "机构",
PRODUCT_ "商品",
SUM(SALE_AMOUNT) / SUM(SUM(SALE_AMOUNT)) OVER() "商品所占比例"
FROM TABLE_NAME
GROUP BY GROUP_, ORG_;