我已經審查了幾個網站和衆多的教程,試圖確定與我的情況最接近的匹配,雖然我找到許多類似的可能的解決方案,但沒有確切的解決方案給我我想要的東西。每次嘗試時,我都會返回不正確的數據,重複或無法返回所需的所有字段。任何援助非常感謝。謝謝,新手加入3 Oracle表的SQL語句
我有三個表,它們每個共享一個SUBR_ID的primary_key。從根本上說,我試圖從TBL_SUBR_INDV_CARRY_OVER中爲所有SUBR_ID和子INDV_ID(一對多)提取BENEFIT_CARRY_OVER,其中GRP_ID ='0G0000000',選擇名字,姓氏和用戶ID,個人ID以及利益結轉。下面是引用的三個表,並試圖嘗試聲明。
TBL_SUBR_INDV_CARRY_OVER:
SUBR_ID
INDV_ID
BENEFIT_CARRY_OVER
TBL_SUBR_GRP:
SUBR_ID
GRP_ID
TBL_SUBR_INDV:
SUBR_ID
INDV_ID
LNME
FNME
嘗試#1
select DISTINCT DCS2000.TBL_SUBR_GRP.SUBR_ID, DCS2000.TBL_SUBR_INDV.INDV_ID, LNME, FNME, GRP_ID, BENEFIT_YEAR, BENEFIT_CARRY_OVER
from DCS2000.TBL_SUBR_INDV_CARRY_OVER,
DCS2000.TBL_SUBR_GRP,
DCS2000.TBL_SUBR_INDV
where DCS2000.TBL_SUBR_INDV_CARRY_OVER.SUBR_ID = DCS2000.TBL_SUBR_INDV.SUBR_ID
and DCS2000.TBL_SUBR_INDV.SUBR_ID = DCS2000.TBL_SUBR_GRP.SUBR_ID
and DCS2000.TBL_SUBR_GRP.GRP_ID = '0G0000000'
and DCS2000.TBL_SUBR_INDV_CARRY_OVER.BENEFIT_CARRY_OVER > '0'
嘗試#2
select DCS2000.TBL_SUBR_INDV.SUBR_ID, DCS2000.TBL_SUBR_INDV.INDV_ID, DCS2000.TBL_SUBR_INDV.LNME, DCS2000.TBL_SUBR_INDV.FNME, DCS2000.TBL_SUBR_GRP.GRP_ID, DCS2000.TBL_SUBR_INDV_CARRY_OVER.BENEFIT_YEAR, DCS2000.TBL_SUBR_INDV_CARRY_OVER.BENEFIT_CARRY_OVER
from DCS2000.TBL_SUBR_INDV
join DCS2000.TBL_SUBR_GRP on (
where DCS2000.TBL_SUBR_INDV_CARRY_OVER.SUBR_ID = DCS2000.TBL_SUBR_INDV.SUBR_ID
and DCS2000.TBL_SUBR_INDV.SUBR_ID = DCS2000.TBL_SUBR_GRP.SUBR_ID
and DCS2000.TBL_SUBR_GRP.GRP_ID = '0G0000000'
and DCS2000.TBL_SUBR_INDV_CARRY_OVER.BENEFIT_CARRY_OVER > '0'
嘗試3
SELECT LNME, FNME, SUBR_ID, INDV_ID
FROM DCS2000.TBL_SUBR_INDV
WHERE DCS2000.TBL_SUBR_INDV.SUBR_ID IN
(SELECT BENEFIT_CARRY_OVER
FROM DCS2000.TBL_SUBR_INDV_CARRY_OVER
WHERE DCS2000.TBL_SUBR_INDV_CARRY_OVER.SUBR_ID IN
(SELECT SUBR_ID
FROM DCS2000.TBL_SUBR_GRP
WHERE DCS2000.TBL_SUBR_GRP.GRP_ID = '0G0000000')
)
對於carry-over表,是benefit_year,並且您想在查詢結果中看到它嗎? – 2012-02-25 08:51:00