Differences between BEA's and Oracle's own drivers

I am trying to understand the various ways and technical differences to
connect to an Oracle database from WLS 6.1. As far as I can tell, here
is the list of drivers:
THIN:
1. the bundled, old Oracle thin driver in weblogic.jar
2. the latest Oracle thin driver to prepend to my classpath
OCI:
3. the bundled, old Oracle OCI driver in weblogic.jar
(+ matching Oracle DLL in PATH)
4. the latest Oracle OCI driver to prepend to my classpath
(+ latest Oracle DLL in PATH)
5. Weblogic's own OCI driver in weblogic.jar
(+ WebLogic's own DLL in PATH)
I understand that (1) and (3) are 'obsolete'. But what about the others?
Especially, what are the advantages of (5) over (4) or (2) ?
Can Joe^H^H^H anybody share some light on this? ;-)
Thanks,
Christophe

Hi Christophe!
Basically, weblogic bundles 817 thin driver from oracle in 6.1
For using oracle oci driver, you have to add ocijdbc8.dll in your path.
Weblogic has its own set of jDrivers(OCI Drivers)
You need to install oracle client for that. You should use the same driver
as your client install from weblogic. As per say, if you have 817 oracle
client installed then you can use weblogic 817 driver. It is OCI driver,
hence ultimately all calls are diverted to oracle DB thorugh their oracle
oci API from weblogic driver.
If you use lots of oracle extensions in your application it is recommended
to use oracle thin driver.
However, weblogic jDrivers perform better and more XA compliant then oracle
thin driver.
Thanks,
Mitesh
Christophe Warland wrote:
I am trying to understand the various ways and technical differences to
connect to an Oracle database from WLS 6.1. As far as I can tell, here
is the list of drivers:
THIN:
1. the bundled, old Oracle thin driver in weblogic.jar
2. the latest Oracle thin driver to prepend to my classpath
OCI:
3. the bundled, old Oracle OCI driver in weblogic.jar
(+ matching Oracle DLL in PATH)
4. the latest Oracle OCI driver to prepend to my classpath
(+ latest Oracle DLL in PATH)
5. Weblogic's own OCI driver in weblogic.jar
(+ WebLogic's own DLL in PATH)
I understand that (1) and (3) are 'obsolete'. But what about the others?
Especially, what are the advantages of (5) over (4) or (2) ?
Can Joe^H^H^H anybody share some light on this? ;-)
Thanks,
Christophe

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