根据sql_id 查询执行计划

--根据sql_id 查看执行计划

SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('SQL_ID',SQL_CHILD_NUMBER));

select sql_id,
       sql_text,
       version_count,
       loads,
       hash_value,
       address,
       plan_hash_value,
       old_hash_value,
       last_active_child_address
from v$sqlarea a
where a.sql_id='6k78zb0r1y6fk'

SQL_ID                     6k78zb0r1y6fk
SQL_TEXT                 SELECT COUNT(1) FROM BP_TRANSLIST_TB A, BP_TASKSTATE_TB B WHERE A.DOC_ID = :B1 AND B.TASK_STATE < '4' AND A.TASK_ID = B.TASK_ID
VERSION_COUNT             8
LOADS                     2
HASH_VALUE                 773790162
ADDRESS                     0000001A0CC87FE8
PLAN_HASH_VALUE           3533317669
OLD_HASH_VALUE             2641330776
LAST_ACTIVE_CHILD_ADDRESS 0000001CA2021718




select sql_id,
       sql_text,
       a.loaded_versions,
       hash_value,
       address,
       a.old_hash_value,
       a.plan_hash_value,
      a.child_number,
      a.child_address
from v$sql a
where a.sql_id='6k78zb0r1y6fk'

SQL_ID           6k78zb0r1y6fk
SQL_TEXT       SELECT COUNT(1) FROM BP_TRANSLIST_TB A, BP_TASKSTATE_TB B WHERE A.DOC_ID = :B1 AND B.TASK_STATE < '4' AND A.TASK_ID = B.TASK_ID
LOADED_VERSIONS   1
HASH_VALUE       773790162
ADDRESS          0000001A0CC87FE8
OLD_HASH_VALUE   2641330776
PLAN_HASH_VALUE   3533317669
CHILD_NUMBER   2
CHILD_ADDRESS   0000001CA2021718



SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('6k78zb0r1y6fk',2));



SQL_ID  6k78zb0r1y6fk, child number 2
-------------------------------------
SELECT COUNT(1) FROM BP_TRANSLIST_TB A, BP_TASKSTATE_TB B WHERE 
A.DOC_ID = :B1 AND B.TASK_STATE < '4' AND A.TASK_ID = B.TASK_ID

Plan hash value: 3533317669

------------------------------------------------------------------------------------------------------------------------------------
| Id  | Operation                                     | Name               | Rows  | Bytes | Cost (%CPU)| Time     | Pstart| Pstop |
------------------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                              |                    |       |       |    19 (100)|          |       |       |
|   1 |  SORT AGGREGATE                               |                    |     1 |    70 |            |          |       |       |
|   2 |   NESTED LOOPS                                |                    |     4 |   280 |    19   (0)| 00:00:01 |       |       |
|   3 |    NESTED LOOPS                               |                    |     4 |   280 |    19   (0)| 00:00:01 |       |       |
|   4 |     TABLE ACCESS BY GLOBAL INDEX ROWID BATCHED| BP_TRANSLIST_TB    |     4 |   160 |     7   (0)| 00:00:01 | ROWID | ROWID |
|*  5 |      INDEX RANGE SCAN                         | BP_TRANSLIST_IDX6  |     4 |       |     3   (0)| 00:00:01 |       |       |
|*  6 |     INDEX RANGE SCAN                          | BP_TASKSTATE_TB_01 |     1 |       |     2   (0)| 00:00:01 |       |       |
|*  7 |    TABLE ACCESS BY GLOBAL INDEX ROWID         | BP_TASKSTATE_TB    |     1 |    30 |     3   (0)| 00:00:01 | ROWID | ROWID |
------------------------------------------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   5 - access("A"."DOC_ID"=:B1)
   6 - access("A"."TASK_ID"="B"."TASK_ID")
   7 - filter("B"."TASK_STATE"<4)



SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('6k78zb0r1y6fk',7));

PLAN_TABLE_OUTPUT
SQL_ID  6k78zb0r1y6fk, child number 7
-------------------------------------
SELECT COUNT(1) FROM BP_TRANSLIST_TB A, BP_TASKSTATE_TB B WHERE 
A.DOC_ID = :B1 AND B.TASK_STATE < '4' AND A.TASK_ID = B.TASK_ID

Plan hash value: 3074402375

-----------------------------------------------------------------------------------------------------------------------------------
| Id  | Operation                                     | Name              | Rows  | Bytes | Cost (%CPU)| Time     | Pstart| Pstop |
-----------------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                              |                   |       |       |  2127 (100)|          |       |       |
|   1 |  SORT AGGREGATE                               |                   |     1 |    70 |            |          |       |       |
|   2 |   NESTED LOOPS                                |                   |     4 |   280 |  2127   (0)| 00:00:01 |       |       |
|   3 |    NESTED LOOPS                               |                   |     4 |   280 |  2127   (0)| 00:00:01 |       |       |
|   4 |     TABLE ACCESS BY GLOBAL INDEX ROWID BATCHED| BP_TRANSLIST_TB   |     4 |   160 |     7   (0)| 00:00:01 | ROWID | ROWID |
|*  5 |      INDEX RANGE SCAN                         | BP_TRANSLIST_IDX6 |     4 |       |     3   (0)| 00:00:01 |       |       |
|   6 |     PARTITION RANGE ALL                       |                   |     1 |       |   529   (0)| 00:00:01 |     1 |1048575|
|*  7 |      INDEX RANGE SCAN                         | BP_TASKSTATE_PK   |     1 |       |   529   (0)| 00:00:01 |     1 |1048575|
|*  8 |    TABLE ACCESS BY LOCAL INDEX ROWID          | BP_TASKSTATE_TB   |     1 |    30 |   530   (0)| 00:00:01 |     1 |     1 |
-----------------------------------------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   5 - access("A"."DOC_ID"=:B1)
   7 - access("A"."TASK_ID"="B"."TASK_ID")
   8 - filter("B"."TASK_STATE"<4)

Note
-----
   - SQL profile 6K78ZB0R1Y6FK_3074402375 used for this statement