How to find sid,serial# for sql in v$sqlarea

Question

Hi,
10gR2
in order to dig down the session which is running particular sql
say querying v$sqlarea and getting sql_id
now how to map it to v$session

Answer 1

thanks for the reponse
Join v$sqlarea's address with v$session's sql_address.
does this always mapped, even if sql has completed execution
say i have made a session of user scott
and ran this statement
===================================
SQL> create table my_obj as select * from obj;
Table created.
now i jhave another session of sys to find session details
============================================
SQL> select SQL_ID,EXECUTIONS,DISK_READS,BUFFER_GETS,ADDRESS,CPU_TIME,PROGRAM_ID,SQL_TEXT
FROM GV$SQLAREA WHERE SQL_TEXT LIKE ' 2 %MY_OBJ%';
SQL_ID     EXECUTIONS DISK_READS BUFFER_GETS ADDRESS      CPU_TIME
PROGRAM_ID
SQL_TEXT
4hshv4csmh7d8     1     0     14 000000007ECDF248 2899
     0
select SQL_ID,EXECUTIONS,DISK_READS,BUFFER_GETS,ADDRESS,CPU_TIME,PROGRAM_ID,SQL_
TEXT FROM GV$SQLAREA WHERE SQL_TEXT LIKE '%MY_OBJ%'
SQL> select sql_address ,sid,serial#,username from v$session where sql_address='000000007ECDF248';
no rows selected
SQL> select sql_id ,prev_sql_id ,sql_address ,sid,serial#,username from v$session where sql_id='4hshv4csmh7d8';
no rows selected
SQL> select sql_id ,prev_sql_id ,sql_address ,sid,serial#,username from v$session where prev_sql_id='4hshv4csmh7d8';
no rows selected
please suggest
another other view
or there may be two cases of this
case1 sql is running
case 2 sql is completed