如何在Oracle plsql中调整查询？ 以下是我尝试过的步骤。 1.我收集了统计数据，任何桌子上都没有锁。 2，索引已经在列上创建了，主要是我们有唯一的约束。 3.我尝试使用说明计划...以下是计划 4.帮助我知道如何减少嵌套循环以及哪种连接最好？
Plan hash value: 1793839048
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| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time | Pstart| Pstop |
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| 0 | SELECT STATEMENT | | 1 | 697 | | 87213 (3)| 00:00:04 | | |
| 1 | SORT AGGREGATE | | 1 | 697 | | | | | |
|* 2 | HASH JOIN RIGHT OUTER | | 24099 | 16M| | 87211 (3)| 00:00:04 | | |
| 3 | VIEW | VW_DCL_CD4E1359 | 1 | 86 | | 3 (0)| 00:00:01 | | |
| 4 | NESTED LOOPS | | 1 | 67 | | 3 (0)| 00:00:01 | | |
| 5 | TABLE ACCESS BY INDEX ROWID | SETUP_MASTER | 1 | 40 | | 1 (0)| 00:00:01 | | |
|* 6 | INDEX UNIQUE SCAN | PK_172 | 1 | | | 1 (0)| 00:00:01 | | |
|* 7 | INDEX RANGE SCAN | PK_513 | 1 | 27 | | 2 (0)| 00:00:01 | | |
|* 8 | HASH JOIN RIGHT OUTER | | 24099 | 14M| | 87208 (3)| 00:00:04 | | |
| 9 | VIEW | VW_DCL_CD4E1359 | 1 | 86 | | 3 (0)| 00:00:01 | | |
| 10 | NESTED LOOPS | | 1 | 67 | | 3 (0)| 00:00:01 | | |
| 11 | TABLE ACCESS BY INDEX ROWID | SETUP_MASTER | 1 | 40 | | 1 (0)| 00:00:01 | | |
|* 12 | INDEX UNIQUE SCAN | PK_172 | 1 | | | 1 (0)| 00:00:01 | | |
|* 13 | INDEX RANGE SCAN | PK_513 | 1 | 27 | | 2 (0)| 00:00:01 | | |
| 14 | NESTED LOOPS OUTER | | 24099 | 12M| | 87205 (3)| 00:00:04 | | |
| 15 | MERGE JOIN CARTESIAN | | 24099 | 12M| | 38925 (7)| 00:00:02 | | |
|* 16 | HASH JOIN OUTER | | 28943 | 13M| 13M| 30615 (6)| 00:00:02 | | |
| 17 | PART JOIN FILTER CREATE | :BF0000 | 28943 | 13M| | 24307 (6)| 00:00:01 | | |
|* 18 | HASH JOIN RIGHT OUTER | | 28943 | 13M| | 24307 (6)| 00:00:01 | | |
| 19 | PARTITION RANGE SINGLE | | 53598 | 3192K| | 5089 (5)| 00:00:01 | 2 | 2 |
|* 20 | TABLE ACCESS STORAGE FULL | REV_BIHIER | 53598 | 3192K| | 5089 (5)| 00:00:01 | 2 | 2 |
|* 21 | HASH JOIN OUTER | | 27296 | 10M| 10M| 19217 (6)| 00:00:01 | | |
| 22 | PART JOIN FILTER CREATE | :BF0001 | 27296 | 9M| | 12918 (6)| 00:00:01 | | |
|* 23 | HASH JOIN OUTER | | 27296 | 9M| 9440K| 12918 (6)| 00:00:01 | | |
| 24 | PART JOIN FILTER CREATE | :BF0002 | 27296 | 9116K| | 6622 (4)| 00:00:01 | | |
|* 25 | HASH JOIN | | 27296 | 9116K| | 6622 (4)| 00:00:01 | | |
|* 26 | TABLE ACCESS STORAGE FULL | DIM_REP_LINE | 4502 | 36016 | | 2 (0)| 00:00:01 | | |
|* 27 | HASH JOIN RIGHT OUTER | | 27299 | 8904K| | 6619 (4)| 00:00:01 | | |
| 28 | PARTITION RANGE SINGLE | | 4501 | 268K| | 5089 (5)| 00:00:01 | 2 | 2 |
|* 29 | TABLE ACCESS STORAGE FULL | REV_BIHIER | 4501 | 268K| | 5089 (5)| 00:00:01 | 2 | 2 |
|* 30 | HASH JOIN RIGHT OUTER | | 27299 | 7277K| | 1530 (2)| 00:00:01 | | |
| 31 | TABLE ACCESS BY GLOBAL INDEX ROWID BATCHED | REV_BIHIER | 6 | 366 | | 13 (0)| 00:00:01 | 2 | 2 |
|* 32 | INDEX RANGE SCAN | REV_BIHIER_PK | 4 | | | 4 (0)| 00:00:01 | | |
|* 33 | HASH JOIN | | 27299 | 5651K| | 1517 (2)| 00:00:01 | | |
| 34 | JOIN FILTER CREATE | :BF0003 | 9590 | 1788K| | 1512 (2)| 00:00:01 | | |
|* 35 | HASH JOIN | | 9590 | 1788K| | 1512 (2)| 00:00:01 | | |
|* 36 | TABLE ACCESS STORAGE FULL | DIM_ORG_STRUCTURE | 1638 | 18018 | | 3 (0)| 00:00:01 | | |
|* 37 | HASH JOIN | | 9373 | 1647K| | 1509 (2)| 00:00:01 | | |
| 38 | JOIN FILTER CREATE | :BF0004 | 9275 | 1530K| | 1492 (1)| 00:00:01 | | |
|* 39 | HASH JOIN | | 9275 | 1530K| | 1492 (1)| 00:00:01 | | |
|* 40 | TABLE ACCESS STORAGE FULL | DIM_GEOGRAPHY | 1617 | 12936 | | 2 (0)| 00:00:01 | | |
|* 41 | HASH JOIN | | 9186 | 1444K| | 1489 (1)| 00:00:01 | | |
|* 42 | TABLE ACCESS STORAGE FULL | DIM_PRODUCT | 404 | 4848 | | 2 (0)| 00:00:01 | | |
|* 43 | HASH JOIN | | 9289 | 1351K| | 1487 (1)| 00:00:01 | | |
|* 44 | TABLE ACCESS STORAGE FULL | DIM_CONSOLIDATION | 26 | 182 | | 2 (0)| 00:00:01 | | |
|* 45 | HASH JOIN | | 9471 | 1313K| | 1485 (1)| 00:00:01 | | |
|* 46 | TABLE ACCESS STORAGE FULL | DIM_DATES | 1 | 8 | | 8 (13)| 00:00:01 | | |
|* 47 | HASH JOIN | | 9373 | 1226K| | 1478 (1)| 00:00:01 | | |
|* 48 | TABLE ACCESS STORAGE FULL | RUN_EXE_PARAMETERS | 1 | 20 | | 2 (0)| 00:00:01 | | |
|* 49 | HASH JOIN | | 22583 | 2514K| | 1475 (1)| 00:00:01 | | |
|* 50 | TABLE ACCESS STORAGE FULL | RUN_EXE_PARAMETERS | 1 | 20 | | 2 (0)| 00:00:01 | | |
| 51 | NESTED LOOPS | | 197K| 17M| | 1473 (1)| 00:00:01 | | |
| 52 | NESTED LOOPS | | 197K| 17M| | 1473 (1)| 00:00:01 | | |
| 53 | NESTED LOOPS | | 1 | 24 | | 2 (0)| 00:00:01 | | |
|* 54 | INDEX UNIQUE SCAN | PK_145 | 1 | 4 | | 0 (0)| 00:00:01 | | |
|* 55 | TABLE ACCESS STORAGE FULL | RUN_EXE_PARAMETERS | 1 | 20 | | 2 (0)| 00:00:01 | | |
|* 56 | INDEX RANGE SCAN | IDX1 | 17626 | | | 557 (1)| 00:00:01 | | |
|* 57 | ID TABLE ACCESS BY GLOBAL INDEX ROW | STG_GL_DATA | 354K| 23M| | 1471 (1)| 00:00:01 | 1004 | 1004 |
|* 58 | ROWS TABLE ACCESS STORAGE FULL FIRST | SETUP_MASTER | 1 | 57 | | 2 (0)| 00:00:01 | | |
| 59 | JOIN FILTER USE | :BF0004 | 95910 | 1030K| | 17 (42)| 00:00:01 | | |
|* 60 | TABLE ACCESS STORAGE FULL | DIM_ORG_UNIT | 95910 | 1030K| | 17 (42)| 00:00:01 | | |
| 61 | JOIN FILTER USE | :BF0003 | 67055 | 1375K| | 5 (20)| 00:00:01 | | |
|* 62 | TABLE ACCESS STORAGE FULL | MAP_GL_CODE_REP_LINE | 67055 | 1375K| | 5 (20)| 00:00:01 | | |
| 63 | PARTITION RANGE JOIN-FILTER | | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0002|:BF0002|
| 64 | TABLE ACCESS STORAGE FULL | REV_LOCALE_HIER | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0002|:BF0002|
| 65 | PARTITION RANGE JOIN-FILTER | | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0001|:BF0001|
| 66 | TABLE ACCESS STORAGE FULL | REV_LOCALE_HIER | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0001|:BF0001|
| 67 | PARTITION RANGE JOIN-FILTER | | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0000|:BF0000|
| 68 | TABLE ACCESS STORAGE FULL | REV_LOCALE_HIER | 21M| 695M| | 3333 (8)| 00:00:01 |:BF0000|:BF0000|
| 69 | BUFFER SORT | | 1 | 20 | | 35591 (7)| 00:00:02 | | |
|* 70 | TABLE ACCESS STORAGE FULL | RUN_EXE_PARAMETERS | 1 | 20 | | 0 (0)| 00:00:01 | | |
| 71 | VIEW | VW_LAT_CD4E1359 | 1 | | | 2 (0)| 00:00:01 | | |
|* 72 | TABLE ACCESS STORAGE FULL | DIM_LOB | 1 | 16 | | 2 (0)| 00:00:01 | | |
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Predicate Information (identified by operation id):
---------------------------------------------------
2 - access("ITEM_0"(+)="STG_GL_DATA"."V_CCY_CODE" AND "ITEM_1"(+)="STG_GL_DATA"."FIC_MIS_DATE" AND "ITEM_2"(+)="DIM_ORG_STRUCTURE"."V_LCY_CODE"
AND "ITEM_6"(+)="DIM_RUN"."N_RUN_SKEY")
6 - access("SETUP_MASTER"."V_COMPONENT_CODE"='DEFAULT_FX_RATE_SRC')
7 - access("FSI_EXCHANGE_RATES_LCY"."N_RUN_SKEY"=459 AND "FSI_EXCHANGE_RATES_LCY"."FIC_MIS_DATE"=TO_DATE(' 2017-09-30 00:00:00', 'syyyy-mm-dd
hh24:mi:ss') AND "FSI_EXCHANGE_RATES_LCY"."N_TENOR"=0 AND "FSI_EXCHANGE_RATES_LCY"."V_RATE_DATA_SOURCE_CD"="SETUP_MASTER"."V_COMPONENT_VALUE")
filter("FSI_EXCHANGE_RATES_LCY"."V_RATE_DATA_SOURCE_CD"="SETUP_MASTER"."V_COMPONENT_VALUE" AND "FSI_EXCHANGE_RATES_LCY"."N_TENOR"=0)
8 - access("ITEM_4"(+)="STG_GL_DATA"."V_CCY_CODE" AND "ITEM_5"(+)="STG_GL_DATA"."FIC_MIS_DATE" AND
"ITEM_6"(+)="RUN_EXE_PARAMETERS_RCY"."V_PARAM_VALUE_CODE" AND "ITEM_6"(+)="DIM_RUN"."N_RUN_SKEY")
12 - access("SETUP_MASTER"."V_COMPONENT_CODE"='DEFAULT_FX_RATE_SRC')
13 - access("FSI_EXCHANGE_RATES_RCY"."N_RUN_SKEY"=459 AND "FSI_EXCHANGE_RATES_RCY"."FIC_MIS_DATE"=TO_DATE(' 2017-09-30 00:00:00', 'syyyy-mm-dd
hh24:mi:ss') AND "FSI_EXCHANGE_RATES_RCY"."N_TENOR"=0 AND "FSI_EXCHANGE_RATES_RCY"."V_RATE_DATA_SOURCE_CD"="SETUP_MASTER"."V_COMPONENT_VALUE")
filter("FSI_EXCHANGE_RATES_RCY"."V_RATE_DATA_SOURCE_CD"="SETUP_MASTER"."V_COMPONENT_VALUE" AND "FSI_EXCHANGE_RATES_RCY"."N_TENOR"=0)
16 - access("RBH1"."VERSION_NO"="RLH1"."VERSION_NO"(+) AND "RBH1"."SHRT_DESC"="RLH1"."METADATA_KEY"(+) AND "RBH1"."VERSION_NO"=CASE WHEN
("RLH1"."VERSION_NO"(+) IS NOT NULL) THEN 0 ELSE 0 END AND "RBH1"."HIER_CODE"=CASE WHEN ("RLH1"."VERSION_NO"(+) IS NOT NULL) THEN 'HMGMT001' ELSE
'HMGMT001' END )
18 - access("MAPR"."V_MEMBER_1"="RBH1"."CODE"(+))
20 - storage("RBH1"."HIER_CODE"(+)='HMGMT001' AND "RBH1"."VERSION_NO"(+)=0)
filter("RBH1"."HIER_CODE"(+)='HMGMT001' AND "RBH1"."VERSION_NO"(+)=0)
21 - access("RBH2"."VERSION_NO"="RLH2"."VERSION_NO"(+) AND "RBH2"."SHRT_DESC"="RLH2"."METADATA_KEY"(+) AND "RBH2"."VERSION_NO"=CASE WHEN
("RLH2"."VERSION_NO"(+) IS NOT NULL) THEN 0 ELSE 0 END AND "RBH2"."HIER_CODE"=CASE WHEN ("RLH2"."VERSION_NO"(+) IS NOT NULL) THEN 'HMGMT002' ELSE
'HMGMT002' END )
23 - access("RBH3"."VERSION_NO"="RLH3"."VERSION_NO"(+) AND "RBH3"."SHRT_DESC"="RLH3"."METADATA_KEY"(+) AND "RBH3"."VERSION_NO"=CASE WHEN
("RLH3"."VERSION_NO"(+) IS NOT NULL) THEN 0 ELSE 0 END AND "RBH3"."HIER_CODE"=CASE WHEN ("RLH3"."VERSION_NO"(+) IS NOT NULL) THEN 'HMGMT003' ELSE
'HMGMT003' END )
25 - access("DIM_REP_LINE"."N_REP_LINE_CD"=TO_NUMBER("MAPR"."V_MEMBER_3"))
26 - storage(NVL("DIM_REP_LINE"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter(NVL("DIM_REP_LINE"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
27 - access("MAPR"."V_MEMBER_3"="RBH3"."CODE"(+))
29 - storage("RBH3"."HIER_CODE"(+)='HMGMT003' AND "RBH3"."VERSION_NO"(+)=0)
filter("RBH3"."HIER_CODE"(+)='HMGMT003' AND "RBH3"."VERSION_NO"(+)=0)
30 - access("MAPR"."V_MEMBER_2"="RBH2"."CODE"(+))
32 - access("RBH2"."HIER_CODE"(+)='HMGMT002' AND "RBH2"."VERSION_NO"(+)=0)
filter("RBH2"."VERSION_NO"(+)=0)
33 - access("MAPR"."V_MEMBER_1"="STG_GL_DATA"."V_GL_CODE" AND "MAPR"."V_MEMBER_2"=NVL("STG_GL_DATA"."F_DRCR_INDICATOR",'M'))
35 - access("STG_GL_DATA"."V_LV_CODE"="DIM_ORG_STRUCTURE"."V_ENTITY_CODE")
36 - storage(NVL("DIM_ORG_STRUCTURE"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter(NVL("DIM_ORG_STRUCTURE"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
37 - access("STG_GL_DATA"."V_ORG_UNIT_CODE"="DIM_ORG_UNIT"."V_ORG_UNIT_CODE")
39 - access("STG_GL_DATA"."V_BRANCH_CODE"="DIM_GEOGRAPHY"."V_ACCT_BRANCH_CODE")
40 - storage(NVL("DIM_GEOGRAPHY"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter(NVL("DIM_GEOGRAPHY"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
41 - access("STG_GL_DATA"."V_PROD_CODE"="DIM_PRODUCT"."V_PROD_CODE")
42 - storage(NVL("DIM_PRODUCT"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter(NVL("DIM_PRODUCT"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
43 - access("DIM_CONSOLIDATION"."V_CONSOLIDATION"="STG_GL_DATA"."V_SCENARIO_CODE")
44 - storage(NVL("DIM_CONSOLIDATION"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter(NVL("DIM_CONSOLIDATION"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
45 - access("STG_GL_DATA"."FIC_MIS_DATE"="DIM_DATES"."D_CALENDAR_DATE")
46 - storage("DIM_DATES"."D_CALENDAR_DATE"=TO_DATE(' 2017-09-30 00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
filter("DIM_DATES"."D_CALENDAR_DATE"=TO_DATE(' 2017-09-30 00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
47 - access("STG_GL_DATA"."F_CONSOLIDATION_FLAG"=CASE "RUN_EXE_PARAMETERS_CONSO"."V_PARAM_VALUE_CODE" WHEN 'CONSL' THEN 'C' ELSE 'S' END )
48 - storage("RUN_EXE_PARAMETERS_CONSO"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_CONSO"."V_PARAM_ID"='CONSOTYPE')
filter("RUN_EXE_PARAMETERS_CONSO"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_CONSO"."V_PARAM_ID"='CONSOTYPE')
49 - access("STG_GL_DATA"."V_GAAP_CODE"="RUN_EXE_PARAMETERS_GAAP"."V_PARAM_VALUE_CODE")
50 - storage("RUN_EXE_PARAMETERS_GAAP"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_GAAP"."V_PARAM_ID"='GAAP')
filter("RUN_EXE_PARAMETERS_GAAP"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_GAAP"."V_PARAM_ID"='GAAP')
54 - access("DIM_RUN"."N_RUN_SKEY"=459)
55 - storage("RUN_EXE_PARAMETERS_LE"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_LE"."V_PARAM_ID"='LE')
filter("RUN_EXE_PARAMETERS_LE"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_LE"."V_PARAM_ID"='LE')
56 - access("STG_GL_DATA"."V_LV_CODE"="RUN_EXE_PARAMETERS_LE"."V_PARAM_VALUE_CODE")
57 - filter("STG_GL_DATA"."FIC_MIS_DATE"=TO_DATE(' 2017-09-30 00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND "STG_GL_DATA"."V_FINANCIAL_ELEMENT_CODE"=
(SELECT "V_COMPONENT_VALUE" FROM "SETUP_MASTER" "SETUP_MASTER" WHERE "V_COMPONENT_DESC"='DEFAULT_FINANCIAL_ELEMENT'))
58 - storage("V_COMPONENT_DESC"='DEFAULT_FINANCIAL_ELEMENT')
filter("V_COMPONENT_DESC"='DEFAULT_FINANCIAL_ELEMENT')
60 - storage(NVL("DIM_ORG_UNIT"."F_LATEST_RECORD_INDICATOR",'Y')='Y' AND SYS_OP_BLOOM_FILTER(:BF0004,"DIM_ORG_UNIT"."V_ORG_UNIT_CODE"))
filter(NVL("DIM_ORG_UNIT"."F_LATEST_RECORD_INDICATOR",'Y')='Y' AND SYS_OP_BLOOM_FILTER(:BF0004,"DIM_ORG_UNIT"."V_ORG_UNIT_CODE"))
62 - storage(SYS_OP_BLOOM_FILTER(:BF0003,"MAPR"."V_MEMBER_1","MAPR"."V_MEMBER_2"))
filter(SYS_OP_BLOOM_FILTER(:BF0003,"MAPR"."V_MEMBER_1","MAPR"."V_MEMBER_2"))
70 - storage("RUN_EXE_PARAMETERS_RCY"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_RCY"."V_PARAM_ID"='RCY')
filter("RUN_EXE_PARAMETERS_RCY"."N_RUN_SKEY"=459 AND "RUN_EXE_PARAMETERS_RCY"."V_PARAM_ID"='RCY')
72 - storage("DIM_LOB"."V_LOB_CODE"='MSG' AND NVL("DIM_LOB"."F_LATEST_RECORD_INDICATOR",'Y')='Y')
filter("DIM_LOB"."V_LOB_CODE"='MSG' AND NVL("DIM_LOB"."F_LATEST_RECORD_INDICATOR",'Y')='Y')