Oracle 9i 客户端是否与 Oracle 11g 服务器兼容？
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Is an Oracle 9i Client compatible with an Oracle 11g Server?
提问by Scott Riley
We currently have an Oracle 9i Client running on an HPUX Itanium platform and are looking at upgrading the Server from an Oracle 9i Windows 2000 Server to an Oracle 11g W2K3 Server.
我们目前有一个在 HPUX Itanium 平台上运行的 Oracle 9i 客户端，并且正在考虑将服务器从 Oracle 9i Windows 2000 服务器升级到 Oracle 11g W2K3 服务器。
Is an Oracle 9i Client compatible with an Oracle 11g Server?
Oracle 9i 客户端是否与 Oracle 11g 服务器兼容？
Are there any problems with this configuration or is it recommended to upgrade the Oracle 9i Client to 11g as well?
这个配置有没有问题，还是建议将Oracle 9i Client 也升级到11g？
回答by Doug Porter
It should, but the compatibility matrix that will tell you for sure is locked away inside Metalink. If you have a support contract you can access it here:
它应该，但是可以肯定地告诉您的兼容性矩阵被锁定在 Metalink 中。如果您有支持合同，可以在此处访问：
回答by dirac
I have some java applications that need to connect to two different databases. One is Oracle 9i Release 9.2.0.6.0 and the other Oracle 11.2g Tried the jdbc driver for 11g (ojdbc5.jar) but couldn connect to 9i.
我有一些需要连接到两个不同数据库的 Java 应用程序。一个是 Oracle 9i Release 9.2.0.6.0 另一个 Oracle 11.2g 尝试了 11g ( ojdbc5.jar)的 jdbc 驱动程序，但无法连接到 9i。
The jdbc driver for 9i did connect to both databases (ojdbc14.jar)
9i 的 jdbc 驱动程序确实连接到两个数据库 ( ojdbc14.jar)
回答by CuriousRK
Yes It is Compatible, I have upgraded our Test Server to 11gr2 on 64 bit Win2008r2 and My client are still 9i and have no problems what so ever. I just tweaked the tnsnames.ora to proper host and thats it
是的，它是兼容的，我已经在 64 位 Win2008r2 上将我们的测试服务器升级到 11gr2，我的客户端仍然是 9i，没有任何问题。我只是将 tnsnames.ora 调整为正确的主机，就是这样
回答by Opus
In the referenced Metalink article, it says the following about such connections:
在引用的 Metalink 文章中，它对此类连接做了以下说明：
"For connections between 10.2 (or higher) and 9.2 the 9.2 end MUST be at 9.2.0.4 or higher. Connections between 10.2 (or higher) and 9.2.0.1, 9.2.0.2 or 9.2.0.3 are not supported."
“对于 10.2（或更高版本）和 9.2 之间的连接，9.2 端必须位于 9.2.0.4 或更高版本。不支持 10.2（或更高版本）和 9.2.0.1、9.2.0.2 或 9.2.0.3 之间的连接。”
Cheers,
干杯，
Opus
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