What has the optimizer suggested? Have you put this into visual explain to see how the optimizer is actually running the statement?

Jim Oberholtzer
Agile Technology Architects



On Oct 13, 2021, at 7:11 AM, Richard Reeve <rjrjr64@xxxxxxxxx> wrote:

All,

I have this SQL statement that runs quite slow. Any idea how I might
speed this up?

SELECT

WHS.DBWHS_SHIPMENT_NBR
,WHS.DBWHS_DOC_NBR
,COR.DBCOR_ORDER_NBR
,COR.DBCOR_ORDER_TYPE
,WHL.DBWHL_DESCRIPTION
---,' ' AS sggroup
---,' ' AS sold_to-pt
,COR.DBCOR_CUST_PO_NBR
---, ' ' as fol-doc
,WHS.DBWHS_BOL_NBR
,WHS.DBWHS_WEIGHT
,WHS.DBWHS_CARTONS
,WHS.DBWHS_SHIP_DATE
,WHS.DBWHS_TRANS_ID
---,' ' as proc-id
,WHS.DBWHS_METHOD
,SHP.DBSHP_CUSTOMER
,SHP.DBSHP_NAME
,SHP.DBSHP_NAME
,SHP.DBSHP_ADDR1
,SHP.DBSHP_ADDR2
,SHP.DBSHP_CITY
,SHP.DBSHP_STATE
,SHP.DBSHP_ZIP
---,DBBLSHP.''COST CENTER
,SPC.DBSPC_COMMENT
---,'' as whn
,WDH.DBWDH_DESTINATION
,WDH.DBWDH_DEST_NAME
,SHP.DBSHP_TAX_CODE ---,' ' as tax_juris
,WDH.DBWDH_DEST_STATE
,WDH.DBWDH_DEST_CNTRY
,WDH.DBWDH_DEST_ZIP
,WHS.DBWHS_CARRIER
,VEN.DBVEN_VENDOR_VNAME---,'v' as carrier name
,WHS.DBWHS_FREIGHT_CODE---', as incoterm code
---,' ' as incoterm description
,WHS.DBWHS_FRT_CHG_CURR
,ARH.DBARH_TRAN_AMT
---,' ' as acct
,ACM.DBACM_CREDIT_LIM
---,' ' as pint
,WHS.DBWHS_COMPANY
,COR.DBCOR_ORDER_DATE
---,WDM.DBWDM_UPDATE_DATE
,WHS.DBWHS_STATUS
,WHS.DBWHS_SHIP_DATE
---,'LAW' as ERP-IDENTIFIER

FROM LAWDBF7B.DBWHWHS WHS

LEFT JOIN LAWDBF7B.DBWHWHL WHL ON WHS.DBWHS_DOC_NBR=WHL.DBWHL_DOC_NBR
LEFT JOIN LAWDBF7B.DBWHWDH WDH ON WHS.DBWHS_DOC_NBR=WDH.DBWDH_DOC_NBR
LEFT JOIN LAWDBF7B.DBBLSHP SHP ON WHS.DBWHS_CUST_SHIP_TO=SHP.DBSHP_SHIP_TO
LEFT JOIN LAWDBF7B.DBAPVEN VEN ON WHS.DBWHS_VENDOR=VEN.DBVEN_VENDOR
LEFT JOIN LAWDBF7B.DBBLSPC SPC ON SHP.DBSHP_CUSTOMER=SPC.DBSPC_CUSTOMER
LEFT JOIN LAWDBF7B.DBARARH ARH ON ARH.DBARH_CUSTOMER=SHP.DBSHP_CUSTOMER
LEFT JOIN LAWDBF7B.DBARACM ACM ON ACM.DBACM_CUSTOMER=SHP.DBSHP_CUSTOMER
LEFT JOIN LAWDBF7B.DBBLCOR COR ON COR.DBCOR_CUSTOMER=SHP.DBSHP_CUSTOMER

WHERE WHS.DBWHS_SHIP_DATE>='20210930' AND WHS.DBWHS_STATUS='3'


All the best,

Richard Reeve
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