嘿大家我是甲骨文的新手，我被这个声明击中了，我不知道正在发生什么样的加入，谁能帮助我？
这是我无法表达的声明。这是在做什么？内部联接？全外连接？右外连接？左外连接？
AND TO_DATE(&&SYS_DT, 'DD-MON-YY') BETWEEN R.BEG_EFFECTIVE_DT(+) AND R.END_EFFECTIVE_DT(+)
这是代码片段：
SELECT T.SUPPLY_ORDER_NBR,
T.SUPPLY_ORDER_LINE_NBR,
T.PART_ID,
P.DESCRIPTION PART_DESC,
P.STD_TOTAL_COST,
P.PART_TYPE,
P.MAST_ID INV_TYPE,
S.REC_LOC,
T.PLAN_SYS_ID,
T.PLAN_SYS_ID_SOURCE_CD,
Z.VENDOR_TERMS,
X.ORACLE_NAME SUPPLIER_NAME,
X.EMR_VENDOR_NBR SUPPLIER_ID,
V.SUPPLIER_NAME LEGACY_SUPPLIER_NAME,
TRIM(S.SUPPLIER_ID) LEGACY_SUPPLIER_ID,
S.SO_UOM,
S.SO_STATUS,
SUBSTR(P.PUR_COMMODITY_CD, 1, 4) DRI_CODE,
R.LEAD_TIME SYSTEM_LEAD_TIME,
R.SUPPLIER_UNIT_PRICE,
R.PREFERRED_SUPPLIER_SW,
S.BUYER_ID
, NVL(DECODE(TRIM(T.PLAN_SYS_ID_SOURCE_CD)
,'CMB', 'MAY'
,'CMS', TRIM(T.TO_LOC_ID)
,'MCG', TRIM(T.TO_LOC_ID)
,'OMFG',NVL(TRIM(T.TO_ORG_CD), T.ORG_ID)
,NVL(TRIM(T.FROM_LOC_ID), TRIM(T.PLAN_SYS_ID_SOURCE_CD))
), 'BIO') LOCATION
, NVL(C.DESCRIPTION,'BUYOUT') PLANT_DESC
, P.PLANT_OF_MFG,
P.DIVISION_CD,
P.PLANNER_ID,
L.NOMAD_NAME PIC_PLANNER_NAME,
S.ORIG_ORD_QTY,
S.OPEN_QTY,
T.QTY_RECEIVED QUANTITY_RECEIVED,
DECODE(TRIM(S.PLAN_SYS_ID_SOURCE_CD), 'OMFG', S.NEED_BY_DT, S.PROM_DT) REQUIRED_DATE,
S.ENTRY_DT DATE_ORDERED,
T.EARLY_DAYS_COUNT,
T.EARLY_DAYS_QTY,
T.EARLY_DAYS_STD_CST,
T.ON_TIME_DAYS_COUNT,
T.ON_TIME_DAYS_QTY,
T.ON_TIME_DAYS_STD_CST,
T.LATE_TIME_DAYS_COUNT,
T.LATE_TIME_DAYS_QTY,
T.LATE_TIME_DAYS_STD_CST,
T.EARLY_DAYS_QTY + T.ON_TIME_DAYS_QTY + T.LATE_TIME_DAYS_QTY TOTAL_INV_RECEIPTS_QTY,
T.EARLY_DAYS_STD_CST + T.ON_TIME_DAYS_STD_CST + T.LATE_TIME_DAYS_STD_CST TOTAL_INV_RECEIPTS_AT_CST,
T.BEG_RECEIVE_DATE BEG_RECEIVE_DATE,
T.LAST_RECEIVE_DATE DATE_RECEIVED,
T.LAST_RECEIVE_DATE-S.ENTRY_DT DURATION_DAYS,
S.PURCHASE_PRICE,
P.ORG_ID,
T.LATE_DAYS,
T.EARLY_DAYS
FROM MDW.SUPPLY_ORDER31 S,
MDW.PLANNER31 L,
MDW.PART31 P,
MDW.SUPPLIER_PART31 R,
MDW.SUPPLIER31 V,
MDW.SUPPLIER_XREF X,
MDW.LOCATION C,
(
SELECT MIN(VENDOR_TERMS) VENDOR_TERMS,
PLAN_SYS_ID,
ORACLE_NAME,
EMR_VENDOR_NBR
FROM MDW.SUPPLIER_XREF
GROUP BY EMR_VENDOR_NBR,
ORACLE_NAME,
PLAN_SYS_ID
) Z,
(
SELECT SUPPLY_ORDER_NBR,
SUPPLY_ORDER_LINE_NBR,
SO_SHIPMENT,
PART_ID,
PLAN_SYS_ID,
ORG_ID,
PLAN_SYS_ID_SOURCE_CD,
TO_LOC_ID,
FROM_LOC_ID,
TO_ORG_CD,
NVL(SUM(EARLY_DAYS_COUNT), 0) EARLY_DAYS_COUNT,
NVL(SUM(EARLY_DAYS_QTY), 0) EARLY_DAYS_QTY,
NVL(SUM(EARLY_DAYS_STD_CST), 0) EARLY_DAYS_STD_CST,
NVL(SUM(ON_TIME_DAYS_COUNT), 0) ON_TIME_DAYS_COUNT,
NVL(SUM(ON_TIME_DAYS_QTY), 0) ON_TIME_DAYS_QTY,
NVL(SUM(ON_TIME_DAYS_STD_CST), 0) ON_TIME_DAYS_STD_CST,
NVL(SUM(LATE_DAYS_COUNT), 0) LATE_TIME_DAYS_COUNT,
NVL(SUM(LATE_DAYS_QTY), 0) LATE_TIME_DAYS_QTY,
NVL(SUM(LATE_DAYS_STD_CST), 0) LATE_TIME_DAYS_STD_CST,
NVL(SUM(LATE_DAYS), 0) LATE_DAYS,
NVL(SUM(EARLY_DAYS), 0) EARLY_DAYS,
TRANS_DT LAST_RECEIVE_DATE,
TRANS_DT BEG_RECEIVE_DATE,
NVL(SUM(QTY_RECEIVED), 0) QTY_RECEIVED
FROM (
SELECT SUPPLY_ORDER_NBR,
SUPPLY_ORDER_LINE_NBR,
SO_SHIPMENT,
PART_ID,
PLAN_SYS_ID,
ORG_ID,
PLAN_SYS_ID_SOURCE_CD,
TRANS_DT,
TO_LOC_ID,
FROM_LOC_ID,
TO_ORG_CD,
CASE
WHEN DT_DAYS > DAYS_EARLY AND DT_DIF > 0
THEN SUM(1)
END EARLY_DAYS_COUNT,
CASE
WHEN DT_DAYS > DAYS_EARLY AND DT_DIF > 0
THEN SUM(INV_QTY)
END EARLY_DAYS_QTY,
CASE
WHEN DT_DAYS > DAYS_EARLY AND DT_DIF > 0
THEN SUM(EXT_TRANS_COST)
END EARLY_DAYS_STD_CST,
CASE
WHEN DT_DAYS <= DAYS_LATE AND DT_DIF < 0
THEN SUM(1)
WHEN DT_DAYS <= DAYS_EARLY AND DT_DIF > 0
THEN SUM(1)
WHEN DT_DIF = 0
THEN SUM(1)
END ON_TIME_DAYS_COUNT,
CASE
WHEN DT_DAYS <= DAYS_LATE AND DT_DIF < 0
THEN SUM(INV_QTY)
WHEN DT_DAYS <= DAYS_EARLY AND DT_DIF > 0
THEN SUM(INV_QTY)
WHEN DT_DIF = 0
THEN SUM(INV_QTY)
END ON_TIME_DAYS_QTY,
CASE
WHEN DT_DAYS <= DAYS_LATE AND DT_DIF < 0
THEN SUM(EXT_TRANS_COST)
WHEN DT_DAYS <= DAYS_EARLY AND DT_DIF > 0
THEN SUM(EXT_TRANS_COST)
WHEN DT_DIF = 0
THEN SUM(EXT_TRANS_COST)
END ON_TIME_DAYS_STD_CST,
CASE
WHEN DT_DAYS > DAYS_LATE AND DT_DIF < 0
THEN SUM(1)
END LATE_DAYS_COUNT,
CASE
WHEN DT_DAYS > DAYS_LATE AND DT_DIF < 0
THEN SUM(INV_QTY)
END LATE_DAYS_QTY,
CASE
WHEN DT_DAYS > DAYS_LATE AND DT_DIF < 0
THEN SUM(EXT_TRANS_COST)
END LATE_DAYS_STD_CST,
CASE
WHEN DT_DIF < 0 THEN DT_DAYS
ELSE 0
END LATE_DAYS,
CASE
WHEN DT_DIF > 0 THEN DT_DAYS -- modified by MDESPHY to correct on-time, early and late list
ELSE 0
END EARLY_DAYS
, SUM(INV_QTY) QTY_RECEIVED
FROM (
SELECT SUPPLY_ORDER_NBR,
SUPPLY_ORDER_LINE_NBR,
SO_SHIPMENT,
PART_ID,
PLAN_SYS_ID,
ORG_ID,
PLAN_SYS_ID_SOURCE_CD,
TRANS_DT,
TO_LOC_ID,
FROM_LOC_ID,
TO_ORG_CD,
ABS(DT_DIF - 2 * FLOOR(DT_DIF/7) - DECODE(PDWD, 1, 1, 0) + DECODE(TDWD, 1, 1, 0) -
DECODE(PDWD, 1, 0, DECODE(TDWD, 1, 0, CASE WHEN PDWD < TDWD THEN 2 ELSE 0 END)) -
DECODE(PDWD, 1, 0, DECODE(TDWD, 1, 2, 0))) DT_DAYS,
DT_DIF, -- added by MDESPHY
EXT_TRANS_COST,
INV_QTY,
DAYS_EARLY,
DAYS_LATE
FROM (
SELECT I.SUPPLY_ORDER_NBR,
I.SUPPLY_ORDER_LINE_NBR,
O.SO_SHIPMENT,
I.PART_ID,
I.PLAN_SYS_ID,
I.ORG_ID,
I.PLAN_SYS_ID_SOURCE_CD,
MAX(I.TRANS_DT) TRANS_DT,
I.TO_LOC_ID,
I.FROM_LOC_ID,
NVL(I.TO_ORG_CD,' ') TO_ORG_CD,
DECODE(TRIM(O.PLAN_SYS_ID_SOURCE_CD), 'OMFG', O.NEED_BY_DT, O.PROM_DT) PROM_DT,
DECODE(TRIM(O.PLAN_SYS_ID_SOURCE_CD), 'OMFG', O.NEED_BY_DT, O.PROM_DT) - MAX(I.TRANS_DT) DT_DIF,
TO_NUMBER(TO_CHAR(MAX(I.TRANS_DT), 'D')) TDWD,
TO_NUMBER(TO_CHAR(DECODE(TRIM(O.PLAN_SYS_ID_SOURCE_CD), 'OMFG', O.NEED_BY_DT, O.PROM_DT), 'D')) PDWD,
SUM(I.EXT_TRANS_COST) EXT_TRANS_COST,
SUM(I.INV_QTY) INV_QTY,
R.DAYS_EARLY,
R.DAYS_LATE
FROM MDW.SUPPLY_ORDER31 O,
MDW.INV_TRANS I,
MDW.SUPPLIER_XREF X,
MDW.SCORECARD_RANGE R
WHERE O.SO_TYPE = 'PO'
AND O.ENTRY_DT > TO_DATE('01-OCT-' || TO_CHAR(ADD_MONTHS(&&SYS_DT, -21), 'YY'), 'DD-MON-YY')
AND O.SO_NBR = I.SUPPLY_ORDER_NBR
AND O.SO_LINE_NBR = I.SUPPLY_ORDER_LINE_NBR
AND O.SO_SHIPMENT = NVL(TO_NUMBER(TRIM(I.ORA_SHIP_NBR), '99'), 0)
-- AND O.SO_SHIPMENT = TO_NUMBER(NVL(ORA_SHIP_NBR, 0), '999')
AND O.PART_ID = I.PART_ID
AND O.PLAN_SYS_ID = I.PLAN_SYS_ID
AND O.ORG_ID = I.ORG_ID
AND O.PLAN_SYS_ID_SOURCE_CD = I.PLAN_SYS_ID_SOURCE_CD
AND I.PLAN_SYS_ID_SOURCE_CD != 'NOMD'
AND I.SUPPLIER_ID IS NOT NULL
AND I.TRANS_TYPE = 'R'
AND I.TRANS_CD NOT IN ('PORADJ','PORRTV')
AND I.INV_QTY != 0
AND I.LOAD_DT < TO_DATE(&&SYS_DT, 'DD-MON-YY') + 1
AND I.SUPPLIER_ID = X.SUPPLIER_ID
AND I.PLAN_SYS_ID_SOURCE_CD = X.PLAN_SYS_ID -- added by mdesphy to eliminate doubled qty
AND X.EMR_VENDOR_NBR = R.SUPPLIER_ID
GROUP BY I.SUPPLY_ORDER_NBR,
I.SUPPLY_ORDER_LINE_NBR,
O.SO_SHIPMENT,
I.PART_ID,
I.PLAN_SYS_ID,
I.ORG_ID,
I.PLAN_SYS_ID_SOURCE_CD,
-- I.TRANS_DT,
I.TO_LOC_ID,
I.FROM_LOC_ID,
I.TO_ORG_CD,
-- NVL(I.TO_ORG_CD),
DECODE(TRIM(O.PLAN_SYS_ID_SOURCE_CD), 'OMFG', O.NEED_BY_DT, O.PROM_DT),
R.DAYS_EARLY,
R.DAYS_LATE
)
)
GROUP BY SUPPLY_ORDER_NBR,
SUPPLY_ORDER_LINE_NBR,
SO_SHIPMENT,
PART_ID,
PLAN_SYS_ID,
ORG_ID,
PLAN_SYS_ID_SOURCE_CD,
TRANS_DT,
TO_LOC_ID,
FROM_LOC_ID,
TO_ORG_CD,
DT_DIF,
DT_DAYS,
DAYS_EARLY,
DAYS_LATE
)
GROUP BY SUPPLY_ORDER_NBR,
SUPPLY_ORDER_LINE_NBR,
SO_SHIPMENT,
PART_ID,
PLAN_SYS_ID,
ORG_ID,
PLAN_SYS_ID_SOURCE_CD,
TRANS_DT,
TO_LOC_ID,
FROM_LOC_ID,
TO_ORG_CD
) T
WHERE T.SUPPLY_ORDER_NBR = S.SO_NBR
AND T.SUPPLY_ORDER_LINE_NBR = S.SO_LINE_NBR
AND T.SO_SHIPMENT = S.SO_SHIPMENT
AND T.PART_ID = S.PART_ID
AND T.PLAN_SYS_ID = S.PLAN_SYS_ID
AND T.PLAN_SYS_ID_SOURCE_CD = S.PLAN_SYS_ID_SOURCE_CD
AND T.PART_ID = P.PART_ID
AND T.PLAN_SYS_ID = P.PLAN_SYS_ID
AND T.ORG_ID = P.ORG_ID
AND TRIM(C.LOCATION(+)) = NVL(DECODE(TRIM(T.PLAN_SYS_ID_SOURCE_CD),'CMB', 'MAY'
,'CMS', TRIM(T.TO_LOC_ID)
,'MCG', TRIM(T.TO_LOC_ID)
,'OMFG',NVL(TRIM(T.TO_ORG_CD), T.ORG_ID)
,NVL(TRIM(T.FROM_LOC_ID), TRIM(T.PLAN_SYS_ID_SOURCE_CD))), 'BIO')
AND X.PLAN_SYS_ID = Z.PLAN_SYS_ID
AND X.ORACLE_NAME = Z.ORACLE_NAME
AND X.EMR_VENDOR_NBR = Z.EMR_VENDOR_NBR
AND TRIM(V.SUPPLIER_ID) = TRIM(X.SUPPLIER_ID)
AND X.PLAN_SYS_ID = V.PLAN_SYS_ID
AND TRIM(S.SUPPLIER_ID) = TRIM(V.SUPPLIER_ID)
-- AND S.PLAN_SYS_ID = V.PLAN_SYS_ID
AND S.PLAN_SYS_ID_SOURCE_CD = V.PLAN_SYS_ID
-- AND (V.SUPPLIER_ID != '000079' AND V.PLAN_SYS_ID != 'CMB')
AND S.PLAN_SYS_ID_SOURCE_CD != 'NOMD'
AND P.PLANNER_ID = L.PLANNER_ID(+)
AND TRIM(S.SUPPLIER_ID) = TRIM(R.SUPPLIER_ID(+))
AND S.PART_ID = R.PART_ID(+)
AND S.PLAN_SYS_ID = R.PLAN_SYS_ID(+)
AND TO_DATE(&&SYS_DT, 'DD-MON-YY') BETWEEN R.BEG_EFFECTIVE_DT(+) AND R.END_EFFECTIVE_DT(+)
AND S.ENTRY_DT > TO_DATE('01-OCT-' || TO_CHAR(ADD_MONTHS(&&SYS_DT,-21), 'YY'), 'DD-MON-YY')