Connect by Giving wrong data.

Question

Hello All,
can somebody describe me the reason that when I run the inner query its giving perfect data but when I run it with by putting it in subquery (Like I mentioned below), It is not giving correct data and taking huge time. I really dont understand the logical reason of it as whatever inner query is giving data ,I should get the same in below mentioned query.
Can somebody help me?
SELECT * FROM (
SELECT distinct PROJECT_NUMBER,
BOM.ASSY_ITEM,
BOM.ASSY_ITEM_DESCRIPTION,
BOM.COMP_ITEM,
BOM.COMPONENT_ITEM_DESC,
BOM.QUANTITY BOM_QUANTITY,
BOM.INVENTORY_ITEM_STATUS_CODE,
SOL.PRODUCT_NUMBER SOL_ITEM,
SOL.QTY_ORDERED,
BOM.BOM_STRUCTURE,
SOL.SHIP_FROM_WAREHOUSE_ID,
SOL.ORGANIZATION_ID,
BOM.WAREHOUSE_ID,
BOM.WAREHOUSE_CODE
FROM (SELECT PT.TASK_NUMBER TASK_NUMBER,
OOL.INVENTORY_ITEM_ID,
OOL.ORDERED_ITEM SOL_ITEM,
OOL.QTY_ORDERED,
SHIP_FROM_WAREHOUSE_ID,
PPA.SEGMENT1 PROJECT_NUMBER,
MSI.PRODUCT_NUMBER,
OOL.ORGANIZATION_ID
FROM JAROSODS.OE_ORDERLINES_DET OOL,
JAROSODS.TASK_MAS PT,
JAROSODS.PROJECT_MAS PPA,
JAROSODS.ITEMWAREHOUSE_MAS MSI
WHERE PT.TASK_ID = OOL.TASK_ID AND PT.PROJECT_ID = PPA.PROJECT_ID AND
OOL.PROJECT_ID = PPA.PROJECT_ID AND
MSI.ITEMWAREHOUSE_KEY = OOL.ITEMWAREHOUSE_KEY AND
OOL.MD_SOURCE_SYSTEM = 1 AND PT.MD_SOURCE_SYSTEM in (0, 1) AND
PPA.MD_SOURCE_SYSTEM in (0, 1) AND
MSI.md_source_system in (0, 1)
AND MSI.PRODUCT_NUMBER IN ('1')
AND OOL.ORGANIZATION_ID IN ('1')
AND OOL.SHIP_FROM_WAREHOUSE_ID IN (OOL.SHIP_FROM_WAREHOUSE_ID)
) SOL,
(SELECT LEVEL,
MSIT.PRODUCT_NUMBER ASSY_ITEM,
MSIC.PRODUCT_NUMBER COMP_ITEM,
MSIT.WAREHOUSE_ID ORG_ID,
MP.WAREHOUSE_ID,
MP.WAREHOUSE_CODE,
MSIC.INVENTORY_ITEM_ID,
SUBSTR(MSIT.PRODUCT_NUMBER,
INSTR(MSIT.PRODUCT_NUMBER, '-', 1, 3) + 1) TASK_NUMBER,
--bic.COMPONENT_QUANTITY,
LPAD(' ', 8 * LEVEL) || MSIT.PRODUCT_NUMBER || ' ---> ' ||
MSIC.PRODUCT_NUMBER BOM_STRUCTURE,
BIC.QTY_COMPONENT QUANTITY,
MSIC.INVENTORY_ITEM_STATUS_CODE,
MSIT.ITEM_LONG_NAME ASSY_ITEM_DESCRIPTION,
MSIC.ITEM_LONG_NAME COMPONENT_ITEM_DESC
--msiC.description Component_item_desc
from JAROSODS.MFG_BOMBILLOFMATERIALS_DET bom,
JAROSODS.MFG_BOMINVCOMP_DET bic,
JAROSODS.itemwarehouse_mas msit,
JAROSODS.itemwarehouse_mas msic,
JAROSODS.WAREHOUSE_MAS mp
where 1 = 1 and msit.inventory_item_id = bom.ASSEMBLY_ITEM_ID and
msit.warehouse_id = bom.warehouse_id and
msic.inventory_item_id = bic.COMPONENT_ITEM_ID and
msic.warehouse_id = msit.warehouse_id and
mp.warehouse_id in (mp.warehouse_id) AND
bom.common_BILL_SEQUENCE_ID = bic.BILL_SEQUENCE_ID AND
mp.warehouse_id = msic.warehouse_id
--AND mp.warehouse_key = msic.itemwarehouse_key
and level in ('2') AND--------------------------------------------------parameter
TRUNC(SYSDATE) BETWEEN TRUNC(bic.effectivity_datetime) AND
NVL(TRUNC(bic.disable_datetime), TRUNC(SYSDATE))
start with msit.PRODUCT_NUMBER like ('%700433%')------------------------------parameteR
connect by prior bic.component_item_id = bom.assembly_item_id and
bom.md_source_system = 1 and bic.md_source_system = 1 and
msit.md_source_system in (0, 1) and
msic.md_source_system in (0, 1) and
mp.md_source_system in (0, 1)) BOM
WHERE BOM.INVENTORY_ITEM_ID = SOL.INVENTORY_ITEM_ID(+) AND
BOM.TASK_NUMBER = SOL.TASK_NUMBER(+) AND
BOM.ORG_ID = SOL.SHIP_FROM_WAREHOUSE_ID(+))

Answer 1

ok