Multiple Databases With Same Name?
Nov 23, 2010
We are getting a consultant to upgrade an Oracle 9i installation to 11g R2. The current installation has 6 different databases installed on the same server. Each database is a different customer so for reasons of security we have requested that this be split into 6 virtual machines with one database per machine.
The consultant suggested that they could install the 11g database once and then just make copies (which would all have the same instance name. We are told that the TNS names can be configured so clients are directed to the right database.
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Apr 14, 2010
I have a query that queries an Oracle 10g database see below
SELECT PLOGDBY, COUNT(PLOGDBY) AS "Calls Logged"
FROM LCC_TPROBLEM WHERE
(PLOGDBY = 'WOODWARD_A' OR
PLOGDBY = 'BASSETT_A' OR
PLOGDBY = 'MISTRY_R' OR
PLOGDBY = 'MEADOWS_K' OR
PLOGDBY = 'SKINNER_R' OR
PLOGDBY = 'DAVIS_Z' OR
PLOGDBY = 'BLOUNT_L' OR
[Code]...
This gives me the result:
PLOGDBY Calls Logged
DAVIS_Z 11
MEADOWS_K 26
MISTRY_R 47
PATEL_RI 53
SKINNER_R 21
THANDI_D 58
WOODWARD_A 30
I also have a query that queries a SQL Server database:
Select Agent, SUM([acd calls which have rung the agent])As CallsRung
FROM Dashboard_stats
Where Date = DATEADD(DAY,DATEDIFF(DAY,'20000101',GETDATE())-1,'20000101')
Group by Agent
This gives me the result:
Davis_Z22
Meadows_K31
Mistry_R54
Patel_R65
Skinner_R35
Thandi_D89
Woodward_A34
What I want to do is write a query that returns the result:
Query 1(Oracle database) as a percentage of Query 2 (SQL Server database)
Results would be:
Davis_Z50%
Meadows_K83%
Mistry_R87%
Patel_R81%
Skinner_R60%
Thandi_D65%
Woodward_A88%
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Jun 16, 2013
while using top command it shows multiple processes usage.Actually we have 3 databases in the same server.how to find out which database process and user session hogging the cpu resources
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Dec 5, 2010
I have Oracle 11g installed on AIX and I want to install another 11gR2 single instance in a different oracle home, will it be possible?
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Oct 20, 2011
I have created a procedure which i am executing in one database, in between the procedure i need to connect to diffrent database, how can i do it..
example procedure:
I Started executing procedure in DATABASE1 and i want to switch to DATABASE2
CREATE OR REPLACE PROCEDURE TEST_CONN IS
BEGIN
--SQL STMTS
CONNECT USERNAME/PASSWORD@DATABASE2
--SQL STMTS
END;
/
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May 15, 2013
if multiple databases on one 2 nodes RAC is supported ? Explain me the inconvenient to have multiple databases on RAC ?
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Oct 28, 2010
ORACLE DBA
EXPERTS
�I can install multiple versions of Oracle databases 10GR2 and 11GR2 in a single node using a unique Oracle ASM single instance?
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Mar 27, 2012
I have the task to migrate the total databases(Exact copy to be moved to another server).The current server is going for format.After I did the following steps I am getting the tablespaces(databases)-4 sizes same ,but I am facing issue like some default tablespaces i.e temp,system are not matching.
temp tablespace
***************
current server - 4.0(approximately)
Migrating server - 160 MB
System tablespace
*****************
current server - 580 MB
Migrating server - 220 MB
Also I checked the tables are also matching for the 4 databases.Also Provide the solution or method which is correct.
steps done for migrating(By me)
********************************
EXPORTING DATA USING DATAPUMP
*********************************
1 From command prompt MKDIR 'c:oraclexeapp mp';
2 From SQL prompt conn system/kotak;
3 create or replace directory dmpdir as 'c:oraclexeapp mp';
4 grant read,write on directory dmpdir to kotak;
5 From command prompt
expdp system/kotak@xe full=Y directory=dmpdir dumpfile=xe.dmp logfile=expdpxe.log;
IMPORTING DATA USING DATAPUMP
*****************************
in another server machine
1 From SQL prompt conn system/kotak;
2 create or replace directory dmpdir as 'c:oraclexeapp mp';
3 grant read,write on directory dmpdir to kotak;
4 From command prompt set ORACLE_SID=xe;
5 impdp system/kotak@xe full=Y directory=dmpdir dumpfile=xe.dmp logfile=impdpxe.log;
IN OUR PROCESS we created the below tablespaces and user before IMPORTING created 4 tablespaces
1. kotak
2. kotakdb
3. wired_data
4. ferrari
Created Users which are there in 219 server
1. KOTAK
2. KOTAKDB
3. FC_80
4. DEMOINTERNETBANK
5. DEMOINTERNETBANKDB
6. CREDITCARD
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Jun 10, 2013
I am trying to retrieve info from multiple DBs and insert into a central DB via DB LINKS.The links are retrieved via a cursor.
However I keep coming up against 'PL/SQL: ORA-00942: table or view does not exist'..how to handle db_links using a cursor in a pl/sql block? The code is as follows:
DECLARE
db_link_rec VARCHAR2(30);
CURSOR db_link_cur IS
SELECT DB_LINK
from MESSAGING_PROD_LIST;
BEGIN
OPEN db_link_cur;
LOOP
FETCH db_link_cur INTO db_link_rec;
EXIT when db_link_cur%NOTFOUND;
[code]....
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Feb 7, 2011
In my company we have few 10.2.0.2 databases and few 10.2.0.4 databases.Currently we are monitoring using OEM 10g (10.1.0.5.0) installed on a seperate server.
Planning to install OEM on a new server as part of server room renovation. let me know the process of installing OEM on a different server without loosing the historical data?Also wondering if the OEM 11g will support the current databases?
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Oct 3, 2012
I have a windows 2008 server.
I already installled oracle software for oracle_home C:/oracle/product/11.2.0/dbhome_1 for database DEV.
Now, I want to create new database with different oracle_home on same server with oracle_home as C:/oracle/product/11.2.0/dbhome_2 and SID as TEST.
Do I have to istall oracle software again ? if yes, what about inventoryfiles in C:\Program Files\Oracle\Inventory ? wont they be overwritten ?
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Mar 19, 2012
As we can give grant on sequence and can use in different schema of same database, can same sequence be used across databases?
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Oct 12, 2012
I want copy some tables from one database to another. Which of following is the fastest way:
- INSERT /*+APPEND*/ via database link
- Transportable Tablespaces
- datapump IMP/EXP (I supposed it's the slowest way)
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Oct 3, 2011
I'm just wondering because i didn't find any example / test databases for Oracle. Thus MS has its "northwind", mysql its "world" or "sakila".
Additionally, the tables view is quiet confusing, referring to all those generated tables (
[URL]........
I tried right-click + apply filter *remove generated* but it didn't work.
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Aug 2, 2010
I have cloned the database into another using DBMS_METADTA API (export the metadata in xml form and recreate it on destination). I need to synch these two periodically. I need to update the XML to synchronize the databases.
I don't have 11g to use DBMS_METADATA_DIFF API.
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Apr 13, 2011
As part of our project, we need to perform table comparisons in two different databases. I am currently looking for various options to accomplish this.
One of them is doing minus operation between these two tables. Also, i have looked at the data compare option in toad utility.
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Mar 14, 2011
I have 2 databases( A and .. which shares common ORACLE_HOME....
i configured 2 listeners through netca in different ports....
and both listener names are different...
But when I stop LISTENER.. both the listeners are getting stop and when i start both the listeners are up and running.. and I could see database B's services.. and vice versa...and when i tnsping , i am able to see port 1521 default port for database A.
when I run I bash, i have included ORACLE_HOME path... so should i add oracle_SID also there..if so, which SID should I add A or B?
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Apr 9, 2013
I have two tables having same name in two different databases.i have to create a new table with these two tables in a new database.
But if one table have 2 columns and another table having three columns I have to create a new table with three columns..
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May 9, 2013
I've just found out that 12cR1 will not (in all likelihood) allow "flashback database" for pluggable DBs. Am I the only one disappointed by that ? I use flashback db (+replay) a lot to revert and replay automated tests and I had plans to consolidate tenths of test environments into PDBs.
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Jul 9, 2012
NGFID;RECTYPE;RECNAME
25;7;POLES
PARENT
CHILD;1401;9845075;2020
817;8;SUPPORT
PARENT
CHILD
Required output:-
AREA_SRNO = 1
AREA_NAME = '3rivieres.export.ngf'
File :-mauri.export.ngf
NGFID;RECTYPE;RECNAME
257;7;POLES
PARENT
CHILD;1401;9845075;2020
8174;8;SUPPORT
PARENT
CHILD
Required output:-
AREA_SRNO = 2
AREA_NAME = 'mauri.export.ngf'....etc
CREATE TABLE NGF_REC_LINK
(
AREA_SRNO NUMBER(2),
AREA_NAME VARCHAR2(40),
NGFID NUMBER(20),
TABLENAME VARCHAR2(40),
PARENT VARCHAR2(200),
[code].......
find the ctl file (ngf_test.ctl) and modify the ctl file as per my requirement.
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Mar 16, 2011
can we have multiple database version running in a single machine with multiple instances provided there are enough resources.Can we do in RAC only?
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Jan 2, 2013
how to insert the data in multiple bases( Same table structure in different bases) using the multiple database links?
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Apr 1, 2011
are there any possibility to attack oracle databases while performing database backup!
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Mar 1, 2011
I have a production DB that has the oracle tuning pack option turned on, I occasionally need to clone the DB to a test server where I do not use the tuning pack, If I select from DBA_feature_usage_statistics it tells me that the Options pack is turned on for the Prod db DBID but not for the cloned db dbid. Do I need to worry about this old data being left around in my database? If so is there anyway to remove it? I am running 10.2.0.4
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Oct 7, 2012
I have a requirement to move the databases to a new server.
Existing set up:
database1-40GB,
database2-40GB,
database3-180GB
Oracle version - 11.2.0.2
OS - UNIX AIX-5.3
New Server (setup):
database1-40GB,
database2-40GB,
database3-180GB
Oracle version - 11.2.0.3
OS - UNIX AIX-6.1
My query is what is the best way to move the database to new server(UNIX AIX 6.1)?
a) can i upgrade the database to 11.2.0.3 before moving to new server or its better to move the database in 11.2.0.2 and then upgrade there?
b)is export and import of database can work for moving this?
c) RMAN backup and restoration can be done for moving databases?
d)simply moving all the related files to new server and start upgrading it from there?
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Jul 11, 2012
I had installed grid infrastructure for a cluster, and RAC database. The ASM is the storage option. The configurations as follows:
Grid Home: /u01/grid/app
Oracle RAC Home: /oracle/db1/app/product/11.2/dbhome1
Can I have another RAC Database to use the existing Grid infrastructure ? The second RAC database will have different owner than db1.
The configurations as follows:
Grid Home: /u01/grid/app
DB1 Oracle RAC Home: /oracle/db1/app/product/11.2/dbhome1 and Database Name: RACDBA so the current instances are RACDBA1 and RACDBA2
DB2 Oracle RAC Home: /oracle/db2/app/product/11.2/dbhome2 and database name: RACDBB so the future instances will be RACDBB1 and RACDBB2
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Sep 24, 2012
How do I get a list of all servers associated with linked databases?
for example: I have an entry in TNSNAMES.ora:
PTSYS =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = BMSQL2.BEAM.LOCAL)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = PTSYS)
)
)
if I link this database as follows:
create public database link SourceDB --@PTSYS
CONNECT TO sysadm IDENTIFIED BY password
using
'PTSYS';
How can I tell that this database is on the BMSQL2 server?
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Oct 4, 2011
I want to compare the table contents across the two different databases , one is on netezza and other is on Exadata.
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Nov 22, 2012
We want to replicate the data between the databases.We have 4 databases in a network.If there will be any change in database 1,e.g. updation in any table,it should automatically replicate on other 3 databases.or user will change something in database 2 ,it should replicate on other 3 databases and vice versa. All 4 databases have same schema and same configuration.
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Aug 25, 2009
My program needs to connect to two databases and make operations in both databases:
Quote:connect to db1;
connect to db2;
select from table in db1;
update table in db2;
i would like to know whether it's possible, and how to do it ? how to specify for each query the database connection to use?
note that I can't use dblinks as i don't have enough access rights and privileges on neither of the databases.
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