Run two Database in single server

Hi...
I want to run two database into single server. For that I had created one another database.
But now I am not able to connect with two database at the same time.
When I am going to connect to another database i have to shutdown the first one.
Is it possible to connect and work on two database at the same time?
Thanks
pratik

You should have a good enough to have two or more instances running on the same machine.
The performance of a single instnace will always be better compared to having two or more instances on the same machine.
Is it possible to connect and work on two database at the same time?Yes
Here is an example
$ ps -ef |grep pmon
ora101AS 548928 1 0 Aug 06 - 0:31 ora_pmon_orcl
ora102DB 552974 1 0 Aug 06 - 0:36 ora_pmon_TEST
ora102DB 1380412 1 0 00:58:49 - 0:04 ora_pmon_LIVE
testuser 1613946 1691868 0 10:46:11 pts/2 0:00 grep pmon
Single machine having multiple instances
$ ps -ef |grep pmon
ora102DB 4086 1 0 Aug 06 - 1:39 ora_pmon_LIVE10
testuser 32848 31172 0 10:46:24 pts/0 0:00 grep pmon
Single machine having a single instance
The second machine performance is much better compared to the first machine that has mutiple instances.
Normally CREATE DATABASE is used by advance users while DBCA is relatively easy to use.
Adith

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Hi Prakash,
How did you create the first one, its the same
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http://www.dbspecialists.com/files/presentations/oracle10gsolaris.html

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Hi experts,
Please tell me how to configure multiple SID with single listener.
I configured the DR setup of two databases in single server. Now the problem is, if I start one listener from orapm1(CRM), my data is replicating only for CRM, and if I am going to start my listener from oraPE2 user (DBM), error is coming u201C listener is already startu201D but DBM is not replicating with DR site.
And when I stop the listener from oraPM1, and start listener from user oraPE2(DBM), my DBM is replicating properly, I want to start both in parallel with one listener.
Right now I have only one port for both database (1527) and only one LISTENER, should I need to change the port for one server e.g DBM (primary and standby), and then change in listener files. For both side (primary and standby)
If I am correct please let me know the steps, what precautions we need to take.
And what change I need to do in listener file.
2nd) Can I work on same port for both SIDs, if yes please tell me the steps.
My CRM is working properly so I need to change in DBM part.
I am attaching listener file from both users in same server (10.11.230.12)
ADMIN_RESTRICTIONS_LISTENER = on
LISTENER_PE2 =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = IPC)
(KEY = PE2.WORLD)
(ADDRESS=
(PROTOCOL = IPC)
(KEY = PE2)
(ADDRESS =
(COMMUNITY = SAP.WORLD)
(PROTOCOL = TCP)
(HOST = 10.11.230.12)
(PORT = 1527)
STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 10
TRACE_LEVEL_LISTENER = OFF
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PE2)
(ORACLE_HOME = /oracle/PE2/102_64)
pm1 listener file
ADMIN_RESTRICTIONS_LISTENER = on
LISTENER =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = IPC)
(KEY = PM1.WORLD)
(ADDRESS=
(PROTOCOL = IPC)
(KEY = PM1)
(ADDRESS =
(COMMUNITY = SAP.WORLD)
(PROTOCOL = TCP)
(HOST = 10.11.230.12)
(PORT = 1527)
STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 10
TRACE_LEVEL_LISTENER = OFF
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PM1)
(ORACLE_HOME = /oracle/PM1/102_64)
Thanks in advance.

Dear Experts,
please tell me is it ok or i need to change something else?
this example is for only one listener, and i put both SID details in same LISTENER, or i need to change the listener name for another server. it is very confusing...
ADMIN_RESTRICTIONS_LISTENER = on
LISTENER =
(ADDRESS_LIST =
        (ADDRESS =
          (PROTOCOL = IPC)
          (KEY = PM1.WORLD)
        (ADDRESS=
          (PROTOCOL = IPC)
          (KEY = PM1)
        (ADDRESS =
          (COMMUNITY = SAP.WORLD)
          (PROTOCOL = TCP)
          (HOST = 10.11.230.12)
          (PORT = 1527))
LISTENER =
(ADDRESS_LIST =
        (ADDRESS =
          (PROTOCOL = IPC)
          (KEY =PE2.WORLD)
        (ADDRESS=
          (PROTOCOL = IPC)
          (KEY = PE2)
        (ADDRESS =
          (COMMUNITY = SAP.WORLD)
          (PROTOCOL = TCP)
          (HOST = 10.11.230.12)
          (PORT = 1528))
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (SID_NAME = PM1)
      (ORACLE_HOME = /oracle/PM1/102_64)
STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 10
TRACE_LEVEL_LISTENER = ON
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (SID_NAME = PE2)
      (ORACLE_HOME = /oracle/PE2/102_64)
Rishi

Do I need Distributed Transaction Scope when I have Two Database in Single SQL Server Instance

Dear Sirs.
I have Two Database in SQL Server Express 2008 R2, I Move Row From Database 1 Table 1 to Database 2 Table 1
Do I need Distributed Transaction or just regular Transaction.
Thank you in Advance.
Irakli Lomidze

Dear Sirs.
I have Two Database in SQL Server Express 2008 R2, I Move Row From Database 1 Table 1 to Database 2 Table 1
Do I need Distributed Transaction or just regular Transaction.
Thank you in Advance.
Irakli Lomidze
Whats you are doing does not qualify under distributed transaction. Please read about distributed transaction from below link
http://technet.microsoft.com/en-us/library/ms188721%28v=sql.105%29.aspx
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it.
My TechNet Wiki Articles

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Hi Friends,
I installed abd created A database by oracle 10GR4 in window 32 bit 2003.
it works.
Then i created other B database by DBCA under this server.
When I shutdown immediate database.
it works well. But I can not startup mount ot startup A database again,
I got below message as
SQL> startup mount;
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
SQL> startup;
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
SQL> startup;
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
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A listen Status Up
LISTENER
Oracle Home
C:\oracle\product\10.2.0\db_1\BIN
Location
C:\oracle\product\10.2.0\db_1\BIN\network\admin
BUT agent connect Status
Failed
Details          ORA-12505: TNS:listener does not currently know of SID given in connect descriptor (DBD ERROR: OCIServerAttach)
A database instance down
Host     salerpt.net
Port 1521
SID SALERPT
Oracle Home C:\oracle\product\10.2.0\db_1\BIN
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ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
Form EM, I saw listen start up.
Then I stop it. then restart it
I can saw B db listen and can not see A db listen.
also
I saw that other B database works.
My listen info as***************
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_1\BIN)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = SALERPT.NET)(PORT = 1521))
I check physical, two database use one common bin directory .
I do not have any experience to handle two database under one oracle server.
How to check and configurate DB server system?
Thanks for help.
Edited by: user589812 on Jan 4, 2009 8:17 AM

Jim,
Before starting the database A, did you set ORACLE_SID=A from command line? You can run as many instances you want from single server provided you enough memory, processing power. Also try starting your instances usign window services and check and post some lines from alert.log for database A.
tnsnames.ora entry
DATABASE_A =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = salesrpt.net)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = DATABASE_A)
DATABASE_B =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = salesrpt.net)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = DATABASE_B)
)Regards
Edited by: OrionNet on Jan 5, 2009 10:55 AM

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Hello,'
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Bruce Blackshaw <[email protected]> wrote in message
news:[email protected]..
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