Performance 我只留下这句话,因为关于跟踪的最后三句话非常合理:-)我想知道“并行设置”,例如/*+不使用\u散列\u聚合并行(8)*/是否可以进一步提高性能。 SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, E
我只留下这句话,因为关于跟踪的最后三句话非常合理:-)我想知道“并行设置”,例如/*+不使用\u散列\u聚合并行(8)*/是否可以进一步提高性能。Performance 我只留下这句话,因为关于跟踪的最后三句话非常合理:-)我想知道“并行设置”,例如/*+不使用\u散列\u聚合并行(8)*/是否可以进一步提高性能。 SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, E,performance,oracle,ofbiz,Performance,Oracle,Ofbiz,我只留下这句话,因为关于跟踪的最后三句话非常合理:-)我想知道“并行设置”,例如/*+不使用\u散列\u聚合并行(8)*/是否可以进一步提高性能。 SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, EXTERNAL_ID, SALES_CHANNEL_ENUM_ID, ORDER_DATE, ENTRY_DATE, VISIT_ID, STATUS_ID, CREATED_BY, FIRST_ATTEMPT_ORDER_ID, CUR
SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, EXTERNAL_ID,
SALES_CHANNEL_ENUM_ID, ORDER_DATE, ENTRY_DATE, VISIT_ID, STATUS_ID, CREATED_BY,
FIRST_ATTEMPT_ORDER_ID, CURRENCY_UOM, SYNC_STATUS_ID, BILLING_ACCOUNT_ID,
ORIGIN_FACILITY_ID, WEB_SITE_ID, PRODUCT_STORE_ID, TERMINAL_ID, TRANSACTION_ID,
AUTO_ORDER_SHOPPING_LIST_ID, NEEDS_INVENTORY_ISSUANCE, IS_RUSH_ORDER, INTERNAL_CODE,
REMAINING_SUB_TOTAL, GRAND_TOTAL, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
CREATED_TX_STAMP, RECIBIR_BODEGAL, RECEPCIONADA_BODEGAL, FECHA_RECEPCION_BODEGAL FROM
ERP.ORDER_HEADER WHERE ((STATUS_ID = :v0 OR STATUS_ID = :v1 OR STATUS_ID = :v2) AND
(ORDER_TYPE_ID = :v3)) ORDER BY ORDER_DATE DESC
SELECT STATEMENT () (null)
SORT (ORDER BY) (null)
HASH (UNIQUE) (null)
TABLE ACCESS (FULL) ORDER_HEADER
SELECT STATEMENT () (null)
SORT (ORDER BY) (null)
TABLE ACCESS (FULL) ORDER_HEADER
********************************************************************************
SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, EXTERNAL_ID,
SALES_CHANNEL_ENUM_ID, ORDER_DATE, ENTRY_DATE, VISIT_ID, STATUS_ID, CREATED_BY,
FIRST_ATTEMPT_ORDER_ID, CURRENCY_UOM, SYNC_STATUS_ID, BILLING_ACCOUNT_ID,
ORIGIN_FACILITY_ID, WEB_SITE_ID, PRODUCT_STORE_ID, TERMINAL_ID, TRANSACTION_ID,
AUTO_ORDER_SHOPPING_LIST_ID, NEEDS_INVENTORY_ISSUANCE, IS_RUSH_ORDER, INTERNAL_CODE,
REMAINING_SUB_TOTAL, GRAND_TOTAL, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
CREATED_TX_STAMP, RECIBIR_BODEGAL, RECEPCIONADA_BODEGAL, FECHA_RECEPCION_BODEGAL FROM
ERP.ORDER_HEADER WHERE STATUS_ID = 'ORDER_COMPLETED' ORDER BY ORDER_DATE DESC
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.03 0.01 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 9.10 160.81 66729 65203 37 50
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 3 9.14 160.83 66729 65203 37 50
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 58
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 1 0.00 0.00
db file scattered read 8178 0.28 146.55
direct path write temp 2200 0.04 4.22
direct path read temp 36 0.14 2.01
SQL*Net more data to client 3 0.00 0.00
SQL*Net message from client 1 3.36 3.36
********************************************************************************
********************************************************************************
SELECT DISTINCT ORDER_ID, ORDER_TYPE_ID, ORDER_NAME, EXTERNAL_ID,
SALES_CHANNEL_ENUM_ID, ORDER_DATE, ENTRY_DATE, VISIT_ID, STATUS_ID, CREATED_BY,
FIRST_ATTEMPT_ORDER_ID, CURRENCY_UOM, SYNC_STATUS_ID, BILLING_ACCOUNT_ID,
ORIGIN_FACILITY_ID, WEB_SITE_ID, PRODUCT_STORE_ID, TERMINAL_ID, TRANSACTION_ID,
AUTO_ORDER_SHOPPING_LIST_ID, NEEDS_INVENTORY_ISSUANCE, IS_RUSH_ORDER, INTERNAL_CODE,
REMAINING_SUB_TOTAL, GRAND_TOTAL, LAST_UPDATED_STAMP, LAST_UPDATED_TX_STAMP, CREATED_STAMP,
CREATED_TX_STAMP, RECIBIR_BODEGAL, RECEPCIONADA_BODEGAL, FECHA_RECEPCION_BODEGAL FROM
ERP.ORDER_HEADER WHERE STATUS_ID = 'ORDER_COMPLETED' ORDER BY ORDER_DATE DESC
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.03 0.01 0 0 0 0
Execute 2 0.00 0.00 0 0 0 0
Fetch 1 8.23 47.66 66576 65203 31 50
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 4 8.26 47.68 66576 65203 31 50
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 58
Rows Row Source Operation
------- ---------------------------------------------------
50 SORT ORDER BY (cr=65203 pr=66576 pw=75025 time=47666679 us)
3456659 TABLE ACCESS FULL ORDER_HEADER (cr=65203 pr=65188 pw=0 time=20757300 us)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 1 0.00 0.00
db file scattered read 8179 0.14 34.96
direct path write temp 2230 0.00 3.91
direct path read temp 52 0.14 0.84
SQL*Net more data to client 3 0.00 0.00
SQL*Net message from client 1 1510.62 1510.62
********************************************************************************
SELECT /*+ index(HEADERS IDX_ORDER_DATE_DESC) */ ...
FROM ERP.ORDER_HEADER HEADERS
WHERE ...
ORDER BY ORDER_DATE DESC
CREATE INDEX ERP.ORDER_HEADER_I1 ON ERP.ORDER_HEADER ( STATUS_ID, ORDER_TYPE_ID );
select /*+ no_use_hash_aggregation*/ distinct ...