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Oracle10g与各版本的连通性

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本文介绍了Oracle10g与各版本的连通性。

作者：盖国强来源：eygle.com 2007年9月29日

昨天有朋友问到Oracle10g和Oracle8i的连通性问题,一时记不清楚,同事作了一些测试.得到的结论是:

Oracle8.1.5可以连接Oracle10g
Oracle8.1.7也可以连接Oracle10g
Oracle10gR2可以连接Oracle8.1.7,但是不能连接Oracle8.1.5
Oracle10g和Oracle9i各版本可以互连.

简要记录于此:

1.Oracle8.1.5连接Oracle10gR1

oracle:/oracle/oracle8/network/admin>sqlplus /nolog
            SQL*Plus: Release 8.1.5.0.0 - Production on Wed Apr 5 17:21:30 2006
            (c) Copyright 1999 oracle Corporation.  All rights reserved.
            SQL> conn mlqin/*****@mmsdb
            Connected.
            SQL> select * from v$version
            2  /
            BANNER
            ----------------------------------------------------------------
            oracle Database 10g Enterprise Edition Release 10.1.0.3.0 - 64bi
            PL/SQL Release 10.1.0.3.0 - Production
            CORE    10.1.0.3.0      Production
            TNS for Solaris: Version 10.1.0.3.0 - Production
            NLSRTL Version 10.1.0.3.0 - Production
            SQL> exit

2.Oracle8.1.7连接Oracle10gR2

$ sqlplus /nolog
            SQL*Plus: Release 8.1.7.0.0 - Production on Wed Apr 5 16:58:05 2006
            (c) Copyright 2000 oracle Corporation.  All rights reserved.
            SQL> conn mlqin/*****@hsstat
            Connected.
            SQL> select * from v$version;
            BANNER
            ----------------------------------------------------------------
            oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bi
            PL/SQL Release 10.2.0.1.0 - Production
            CORE    10.2.0.1.0      Production
            TNS for Solaris: Version 10.2.0.1.0 - Production
            NLSRTL Version 10.2.0.1.0 - Production
            SQL> exit
            Disconnected from oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
            With the Partitioning, OLAP and Data Mining options

3.Oracle10gR2连接Oracle8.1.7.4

$ sqlplus /nolog
            SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 5 17:19:01 2006
            Copyright (c) 1982, 2005, oracle.  All rights reserved.
            SQL> conn mlqin/*****@test8
            Connected.
            SQL> select * from v$version;
            BANNER
            ----------------------------------------------------------------
            Oracle8i Enterprise Edition Release 8.1.7.4.0 - 64bit Production
            PL/SQL Release 8.1.7.4.0 - Production
            CORE    8.1.7.0.0       Production
            TNS for Solaris: Version 8.1.7.4.0 - Production
            NLSRTL Version 3.4.1.0.0 - Production
            SQL>

4.Oracle10gR2不能连接Oracle8.1.5

$ sqlplus /nolog
            SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 5 17:09:38 2006
            Copyright (c) 1982, 2005, oracle.  All rights reserved.
            SQL> conn mlqin/****@199
            ERROR:
            ORA-03134: Connections to this server version are no longer supported.

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