Two instances of Oracle client on one PC

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  • Bill
    #1

    Two instances of Oracle client on one PC

    Does anybody know if it is possible to run two different instances
    (and potentially different releases) of Oracle client on one Windows
    2000 PC? I'd like to do this so that I can have one that I know is
    stable, and a second to apply patches and test.

    I imagine if I install into 2 different directories the install will
    work, but are there any ramifications, such as with ODBC Data Sources
    & drivers, etc? After I am done with both installs, what will happen
    when I go to Start --Programs --Oracle Installation Products?
    Which installer will I get?

    Note that this is Oracle client only, not server. Thanks,

    Bill
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    • Bill
      #2
      Re: Two instances of Oracle client on one PC

      Rauf Sarwar <rs_arwar@hotma il.comwrote in message news:<3066676.1 057154280@dbfor ums.com>...
      Originally posted by Bill
      Does anybody know if it is possible to run two different instances
      (and potentially different releases) of Oracle client on one Windows
      2000 PC? I'd like to do this so that I can have one that I know is
      stable, and a second to apply patches and test.

      I imagine if I install into 2 different directories the install will
      work, but are there any ramifications, such as with ODBC Data Sources
      & drivers, etc? After I am done with both installs, what will happen
      when I go to Start --Programs --Oracle Installation Products?
      Which installer will I get?

      Note that this is Oracle client only, not server. Thanks,

      Bill
      >
      >
      Since you have not specified which 2 Oracle versions... I would assume
      8i and 9i.
      >
      You can install both releases of Oracle client (or server) on the same
      machine as long as they are installed in separate homes.
      >
      ODBC drivers from both version will show up in the ODBC driver list.
      >
      Default Oracle home installer will be used. You can use Home Selector
      to change which ORACLE_HOME\bin directory appears first in your
      system path.
      >
      Regards
      /Rauf Sarwar

      I did just as suggested, and it seems to be working OK. I have 2
      separate Oracle homes, and use the Home Selector to switch between
      them. Thanks for the advice Rauf.

      Bill

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