已存在資料如下:
代碼表(code table):
code name
A apple
B banana
L lemon
資料列(data):
id name fruit_code quota rest
1 Alice A 50 12
2 Alice B 40 9
3 Bob L 30 22
4 Bob A 30 8
預期查詢結果如下輸出:
查詢結果(result):
name Total Rest Detail
Alice 69 A-apple(38),B-banana(31)
Bob 30 L-lemon(8),A-apple(22)
SQL語法:
select
name
, sum(quota)-sum(rest) 'Total Rest'
,STUFF(
(select
','
+cast(fruit_code as varchar)
+'-'
+(select name from fruit_code t3 where t3.code=t1.fruit_code)
+'('+cast(quota-rest as varchar)+')'
from usage t1
where t1.name=t2.name
for xml path(''))
,1
,1
,''
) Detail
from usage t2
group by name
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