[英]Rollup - Oracle db sql
我有下表
我想根據下面的屏幕截圖匯總和匯總要顯示的數據。
我該怎么做,是否可以以這種方式准確匯總?
我會使用grouping sets
:
select fruit, type, sum(amount), sum(percent)
from t
group by grouping sets ( (fruit, type), (fruit) );
您可以使用ROLLUP
然后使用必要條件來省略額外生成的行,如下所示:
SQL> -- Sample data
SQL> WITH DATAA (FRUIT, TYPE, AMOUNT, PERCENT) AS
2 (
3 SELECT 'Apple', 'Green', 10017, 17 FROM DUAL UNION ALL
4 SELECT 'Orange', 'Green', 10016, 16 FROM DUAL UNION ALL
5 SELECT 'Papaya', 'Yellow', 10014, 14 FROM DUAL UNION ALL
6 SELECT 'Papaya', 'Blue', 10005, 5 FROM DUAL UNION ALL
7 SELECT 'Papaya', 'Green', 10012, 12 FROM DUAL
8 )
9 -- Your query starts from here
10 SELECT *
11 FROM (
12 SELECT FRUIT, TYPE, AMOUNT, SUM(PERCENT) AS PERCENT
13 FROM DATAA
14 GROUP BY ROLLUP(FRUIT, TYPE, AMOUNT)
15 )
16 WHERE ( FRUIT IS NOT NULL AND TYPE IS NOT NULL AND AMOUNT IS NOT NULL )
17 OR ( FRUIT IS NOT NULL AND TYPE IS NULL AND AMOUNT IS NULL )
18 ORDER BY FRUIT, TYPE DESC NULLS LAST;
FRUIT TYPE AMOUNT PERCENT
------ ------ ---------- ----------
Apple Green 10017 17
Apple 17
Orange Green 10016 16
Orange 16
Papaya Yellow 10014 14
Papaya Green 10012 12
Papaya Blue 10005 5
Papaya 31
8 rows selected.
SQL>
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