Oracle10g与各版本的连通性

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欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入昨天有朋友问到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

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入

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 - bi
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 - bi
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 - bit 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 - bit 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.