Database Install/Upgrade/Opatch (MOSC)

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Multiple Oracle Home - 11G and 12c. Need help configuring listerners and tnsnames

edited Mar 18, 2016 5:04AM in Database Install/Upgrade/Opatch (MOSC) 2 commentsAnswered

Greetings!

Let me start with specs first.

I have a Win 2012-R2 server. I have installed Oracle 11G Database in it with a listener running on port 1521 and it works fine.

Oracle Home-

\Oracle\Database\Oracle11G\app\Administrator\product\11.2.0\dbhome_1

TNSnames.ora entry-

ORACLE11G =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = WIN2012-R2-120)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = ORACLE11G)

    )

  )

I wanted to install Oracle 12c database to  run side by side with 11G in a separate home.

I set home as-

\Oracle\Database\Oracle12C\product\12.1.0\dbhome_2

Now after install, I see that there is no tnsnames.ora file or listener.ora file at the respective location.

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