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Home -> Community -> Usenet -> c.d.o.misc -> Re: connect to Oracle over the web
Here is what that page's info had:
Client and server software is tested for compatibility when new versions are released.
We test all new clients with all server versions of the database that, on the day the new client releases,
are still within the Primary Error Correction phase of their support life.
We also test new servers with clients that, on the day the new server releases, are in the Primary Error Correction phase of
their support life,
or are in the first two years of the Extended Maintenance phase of their support life. If we do not test the combination,
it is not supported. When 9.2 released, client and server versions 8.0.6, 8.1.7, 9.0.1, and 9.2 were within their Primary
Error Correction support life.
Those combinations of client and server were tested and are supported.
We also tested the old Oracle 7.3.4 client against 9.2, because 7.3.4 was still in the first two years of its Extended
Maintenance Support life,
so that combination is also supported.
The matrix below summarizes clients and server combinations that were tested.
Note that now both 7.3.4 and 8.0.6 are in their Extended Maintenance support life, so although these releases may be
compatible,
they are not part of a supported configuration unless the customer has purchased extended maintenance support.
Server Version Client Version
7.3.4 8.0.6 8.1.7 9.0.1 9.2
7.3.4 Yes* Yes* Yes* Yes* Yes*
8.0.6 Yes* Yes* Yes* Yes* Yes*
8.1.7 Yes* Yes* Yes Yes Yes
9.0.1 Yes* Yes* Yes Yes Yes
9.2 No Yes* Yes Yes Yes
*=Supported for customers under Extended Maintenance only. EMS support will end for 7.3.4 on 31-DEC-02. EMS will end for 8.0.6 on 30-SEP-2003.
Since new database servers are compatible with a limited set of older OCI clients, it may not be necessary to
upgrade the client software when upgrading the database. However, some new features may not work without upgrading the
client software.
So, for example, an Oracle 7.3.4 client is able to connect to an Oracle9i database, but is not able to take advantage of
newer features such as
Transparent Application Failover (introduced in v8).
hth
"Niall Litchfield" <n-litchfield_at_audit-commission.gov.uk> wrote:
><Christopher.Jones_at_oracle.comX> wrote in message
>news:uofc337fk.fsf_at_oracle.comX...
>> There is a nice table on OTN that shows OCI client/server
>> compatibility:
>>
>> http://otn.oracle.com/tech/oci/htdocs/oci_faq.html#A691
>>
>> This is the underlying support. OCI-client tools may have their own
>> compatibility restrictions or limitations.
>
>I didn't find the table at the URL but a statement that each release will
>connect to all supported previous releases (thus not 7.3.4 for 9.2 ). Seems
>good enough for me.
>
>NB The 'problem' only irritates me because I know that I can't do it but it
>doesn't stop me trying it about once a week or so.
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