Is there a way to know which driver (thick / thin jdbc, odbc, .net, oci, ...) was used to connect to the database

I use v$session_connect_info to distinguish between BEQ and Net8
connections.
I am not sure if this will help with distinguishing thick and thin
drivers (don't have easy way to test at the moment).

Example script - with thanks to Jacques R. Kilchoer response to Oracle-L
in 19-Apr-2001 :


COLUMN connection_method HEADING "Con Type" FORMAT A15 WRAP

select 
   a.sid, 
   a.serial#, 
   a.username, 
   decode (rtrim (substr (b.network_service_banner, 1, 18)) , 
           'Windows NT TCP/IP'  , 'SQL*Net' , 
           'Oracle Bequeath NT' , 'Bequeath' , 
           'Windows NT Named P' , 'IPC - Named Pipes' ,
           'Other? - ' || b.network_service_banner
          ) as connection_method 
 from 
   v$session a, 
   v$session_connect_info b 
 where 
   a.sid = b.sid(+)
   AND ( INSTR ( b.network_service_banner , 'Oracle Advanced Security' )
= 0
         OR b.network_service_banner IS NULL
       )
;


Regards,
Bruce Reardon

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

Hi Freek,

my tests on 10.2.0.3 Linux show that at least the JDBC driver set the
program column in v$session 
thin driver - connection string jdbc:oracle:thin:@... program = 'JDBC
Thin Client' 
OCI (thick) - connection string jdbc:oracle:oci:@..  program =
'java.exe'

HTH
Jaromir

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