SQL> SELECT SQL_ID,CHILD_NUMBER 

  2  FROM V$SQL 

  3  WHERE SQL_TEXT LIKE '%SELECT ENAME, SAL FROM SCOTT.EMP E, SCOTT.DEPT D WHERE E.DEPTNO =D.DEPTNO   AND D.LOC=''CHICAGO''%';

SQL_ID        CHILD_NUMBER

------------- ------------

7wga0v6nhkjug            0

SQL> 

SQL> SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('7wga0v6nhkjug'
 
,0));

PLAN_TABLE_OUTPUT

--------------------------------------------------------------------------------

SQL_ID  7wga0v6nhkjug, child number 0

-------------------------------------

SELECT ENAME, SAL FROM SCOTT.EMP E, SCOTT.DEPT D WHERE E.DEPTNO

=D.DEPTNO   AND D.LOC='CHICAGO'

Plan hash value: 615168685

---------------------------------------------------------------------------

| Id  | Operation          | Name | Rows  | Bytes | Cost (%CPU)| Time     |

---------------------------------------------------------------------------

|   0 | SELECT STATEMENT   |      |       |       |     5 (100)|          |
 

PLAN_TABLE_OUTPUT

--------------------------------------------------------------------------------

|*  1 |  HASH JOIN         |      |     5 |   120 |     5  (20)| 00:00:01 |

|*  2 |   TABLE ACCESS FULL| DEPT |     1 |    11 |     2   (0)| 00:00:01 |

|   3 |   TABLE ACCESS FULL| EMP  |    14 |   182 |     2   (0)| 00:00:01 |

---------------------------------------------------------------------------

Predicate Information (identified by operation id):

---------------------------------------------------

   1 - access("E"."DEPTNO"="D"."DEPTNO")

   2 - filter("D"."LOC"='CHICAGO')

22 rows selected.

SQL>