Database Networking (MOSC)

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Note 207303.1 Client / Server / Interoperability Support Between Different Oracle Versions ,

edited May 30, 2010 8:21PM in Database Networking (MOSC) 4 commentsAnswered
 Referring  to quote from the 11gR2 upgrade guide ( http://download.oracle.com/docs/cd/E11882_01/server.112/e10819/intro.htm#sthref22 ):

"You can install Oracle8i, Oracle9i, Oracle Database 10g, and Oracle Database 11g databases in multiple (separate) Oracle homes on the same computer and have Oracle8i, Oracle9i, Oracle Database 10g, and Oracle Database 11g clients connecting to any or all of the databases."

and the following result , we can find the documentation is not on the same way with the note .

CLIENT -- LISTENER -- SERVER    RESULT

8                11.1                 8               OK
9                11.1                 9               OK
10              11.1                 10              OK
11               11.1                 11              OK

8                11.2                 8              FAILS
9                11.2                 9               OK
10              11.2                 10              OK
11               11.2                 11              OK

9                11.1                 8                OK
10              11.1                 8                OK

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