Server Administration :: Database File System Architecture For Data Warehouseing Application

Mar 14, 2011

Which is the best possible way of configuring the Physical file structure in case of Data Warehouseing application?

I mean to ask you Multiplexing of the data file or control file is required. Or any best possible way to configure Physical file structure.

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Data Guard :: Standby Database Architecture

Jul 8, 2011

To have physical standby database, the hardware and software versions should be same, including patch sets?

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Server Administration :: Move File System Datafile To ASM

Oct 23, 2012

I mistakenly added a datafile to a tablespace which is asm, however the datafile was created in a default location and not the asm location:

alter tablespace pdaiidata1 add datafile '<filename>' size 2048M;

What I should have done:

alter tablepsace <tablespace_name> add datafile '+DATA1' size 2048M;

Is there any way to move this filesystem datafile into the asm tablespace? In previous Oracle versions, I've taken a tablespace offline, moved a datafile, renamed it, then brought the tablespace back online. Can I do something similar here in this situation?

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Server Administration :: Running Out Of Space For Archive File System

Apr 2, 2012

In normal days size of archives generated in a day is 14-15GB. But since yesterday morning, almost 150GB of archives have been generated and are still getting generated(200MB every 1-2 minutes).

There was a sudden reboot of server yesterday morning. At that time there was heavy load of transactions on database. Can it be a reason that smon is still doing recovery? (I am not sure on this). Also, Undo tablespace is increased from 18 GB to 50 GB since yesterday (autoextend on).

Now we are running out of space for archive file system (can't delete them also until they are transferred to DR) Size of redo log is 200MB. This database supports around 2500 users.

performance wise I don't see any hit. Also wait events are normal. (only few db file sequential read) finding the query/session which are causing this much huge amount of archives?

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Server Administration :: Disk Space When Add Data File On Primary Database?

Jun 24, 2013

I'm new into Oracle, consider the below scenario and respond it accordingly.

I want to add 500GB data file at primary database side, but doesn't have space at standby database side. My STANDBY_FILE_MANAGEMENT is set to Auto.

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Server Administration :: Clone Database Cannot Be Connected After System Reboot

Oct 21, 2010

1. I installed oralce with Service_Name=DB1 it works fine,

2. I created another database with dbca named DB2,

3. I connected both system/password@db1 and system/password@db2 without any problem,

4. After rebooting the computer I can connect only the first database DB1 which I installed with Oracle installation. But, I can not connect to the 2nd database which I created with dbca. Error Message Shows: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor

DB1 has no problem I can connect to that, but I can not connect to DB2 after rebooting the system. Now I need to know how to connect to DB2.


connection messages:
oracle@pc ~]$ sqlplus
SQL*Plus: Release - Production on Thu Oct 21 12:51:43 2010
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Enter user-name: SYSTEM@DB1
Enter password:


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Server Administration :: Database To Startup With PFile - Failure In Processing System Parameters

Feb 8, 2011

I successfully created a DB manually with PFILE.

I want the DB to startup with SPFILE at next login.So i fired the below command.


But it shows the error as below:

ORA-01078: failure in processing system parameters
ORA-27040: file create error, unable to create file
OSD-04002: unable to open file
O/S-Error: (os 123) The filename, directory name,or volume label syntax is incorrect.

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Server Administration :: ORA-01111 / Name For Data File 636 Is Unknown - Rename To Correct File

Nov 3, 2012

i have two tablespaces dictionary managed (SYSTEM,APPLSYSX) i tried to change to locally cause it will cause problem in future when trying to run OATM migration.i did it successfully on APPLSYSX,when i did it on system upon oracle procedure.i have to change all tablespaces to read only when i did that with tablespace APPLSYSD(alter tablespace APPLSYSD read only) i received errors

SQL> alter tablespace APPLSYSD READ ONLY;
alter tablespace APPLSYSD READ ONLY
ERROR at line 1:
ORA-01230: cannot make read only - file 636 is offline
ORA-01111: name for data file 636 is unknown - rename to correct file
ORA-01110: data file 636: '/vol5u/oracle/prddb/9.2.0/dbs/MISSING00636'
i have not this file on the OS

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Server Administration :: Size Storing JPG File In Database

Feb 13, 2012

I am storing customer's snaps in a table ( column's data type as LONG RAW) using oracle forms Webutil. Now there are 250 snaps in the table. The file type of these snaps is JPG with the average size 30KB.

I made a backup using export utility before storing these snaps and the exported DMP file's size was 36MB. Now after storing these just 250 snaps of 30KB the DMP file's size is gone over 300MB.

i need to change column's datatype? or some where in oracle forms's image item. Because on window's file system the size of these files is just 8MB.

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Server Administration :: What Can Be Maximum Size Of Data File

Nov 24, 2011

I am having I/O issues if i create 20 GB DATAFILES on SMALL TABLE SPACE. guide me with the maximum size limit of data file that I can create in Windows 2003 32 bit server.

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Server Administration :: Data File / Table Relation

Feb 25, 2011

I have 2 schemas in my database with over 500 tables in each.i am trying to know which tables actually belong to which datafile in which tablespace.

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Renaming Or Relocating System Data File

Aug 30, 2012

How can we Rename or Relocate the SYSTEM datafile?

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Server Administration :: Unable To Find Server Process In Oracle Database For Specific Application / Client

Feb 13, 2013

I am trying to find the unix process for one of my application in the database but I am unable to view the same. To simulate, I did the following.

1. My database runs on different server.
2. I invoked "sqlplus" from another unix box to login to the database.
3. I found that the process id (ps -ef |grep sqlplus).
4. When I execute the below mentioned query it does not display the process id that I am looking for. But the osuser, username, program and machine details are correct. How can I know the process details from the database?

and SYS.GV_$SESSION.MACHINE like '%hostname%'

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Server Administration :: Control File And Database Block Size?

Oct 24, 2011

SQL> select block_size from v$controlfile;


SQL> show parameter db_block_size;

------------------------------------ ----------- ------------------------------
db_block_size integer 8192

the 2 can have difference block size?

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Server Administration :: ORA-01116 / Error In Opening Database File 26

Jul 9, 2010

I was surprised when I shutdown our production dB. I got this error:

$ . oraenv
ORACLE_SID = [abcd] ?
SQL> shutdown
ORA-01116: error in opening database file 26
ORA-01110: data file 26: '/VOL03/oradata/qxyz/data/qxyz_data01.dbf'
ORA-27041: unable to open file
SVR4 Error: 2: No such file or directory
Additional information: 3
SQL> shutdown abort
ORACLE instance shut down.

2 days ago i rename this file QXYZ_DATA01.dbf from it's original name of QXYZ01.dbf without knowing that I was in the 'abcd' instance. When I backup a controlfile I noticed that it was part of the 'abcd' data files, so I just delete it (from OS level).

Is there any risk involved in the 'abcd' instance? How do I get rid of that file 'qxyz_data01.dbf' in the 'abcd' instance.

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Server Administration :: How Control File Is Corrupted And Database Not Open

Apr 27, 2011

I am using oracle 10g R2. Some how control file is corrupted and database is not open. and there is no backup of control file. Now i need to open the database without recreating the database.

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Server Administration :: ORA-01157 / Cannot Identify / Lock Data File 201

Aug 12, 2013

Our server got crash in server1 and we recovered the same DB to server2 using RMAN back up. But while running our scheduler for email alert we got the error message as ORA-01157: cannot identify/lock data file 201 - see DBWR trace file ORA-01110: data file 201: 'D:ORADATAKFDBTEMP01.DBF' Our temp file is already in E folder.

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Server Administration :: How To Reclaim Space After Deleting A Data File

Jun 30, 2010

i have a tablespace with a datafile of 20g. now by mistake i delete the datafile and then try to delete the tablespace from EM but i got an error which says that data file is not present to delete

Now initially after deleting the file physically so then i check space by applying df -ah at os lvl so it didn't reclaim the space now i try to delete the tablespace from em so it gives me the above error. This might be due to tablespace existence. so how can i reclaim the space.

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Server Administration :: Location Of Table In Tablespace / Data File

Jul 6, 2010

I was wondering if there is any way to know in which Tablespace and Datafile my Table is located. I have exported a table and about to delete it as i am partitioning it.

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System Tablespace - File Contains Used Data Beyond Requested RESIZE Value

Oct 23, 2012

I'm trying to increase the size of my system tablespace. The tablespace contains one datafile size 900MB and it can increase to 2GB.

I'd like to change this to autoextend as I'm going to run csscan on the database.

When I do change the autoextend and unlimited part of the file I get: ORA-03297: file contains used data beyond requested RESIZE value

I've also tried to increase the datafile to 4GB but still the same. I can see that there is more then enough space on the filesystem.

Oracle Enterprise edt

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Server Administration :: Can Restore Database Password File In ASM For 11gR2 Version

Mar 28, 2012

Can we restore database password file in ASM for 11gR2 version.

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Server Administration :: Data Migration Between Two Different Application?

Mar 9, 2011

We are planning to migrate data from an application called clintrace to another application called argus safety. Both the applications are related to pharmacovigilence safety operation. Both the applications functionality are similar. So both the database are having the same data though the table structures might be different. Both the database are oracle clintrace db is 9i and argus db is 11g.

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Server Administration :: System TableSpace Is So Big?

Sep 26, 2011

Today I see my system tablespace is 98%, 480 MB used. Why the system tablespace is so big?

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Server Administration :: System Tablespace Had Been Used More?

May 4, 2012

In my database ,the size of the system tablespace is i found its free space is 477.875M.

--------------- -------
SYSTEM 477.875

In system tablespace ,the max size segment is IDL_UB1$,it is 167M

------------- -----
IDL_UB1$ 167M

QUESTION: what's the table IDL_UB1$ used for ?

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OLE DB :: How To Fetch Host Database In System To Run Web Application

Nov 4, 2012

i am having database in server and i have to run my web application in client machine. how to set the connection of server database in web.config file.

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Recovery Manager (RMAN) :: Duplicate Database From ASM To Non-ASM File System To Remote Machine

Aug 30, 2012

I have oracle in Windows 2008 server R2 64 bit version. I have installed database ASMDB with ASM ... Now i have another one machine , I want to clone my database in that machine with Non ASM file system .. Can any one tell me step by step document to do it ?

Can i keep the database name as ASMDB in another Machine ?

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Server Administration :: Moving 10 GB Data To 200 GB Database Server

Jun 22, 2011

We have an Oracle Server database of Size 50 GB having 10 GB Data. And Planning to have a new Database Server of 200GB . So my question is after moving all the 10 GB data to 200 GB Database Server, will the performance of the system come down? Will it reduce the speed?

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Server Administration :: Non-expiring SYSTEM And SYS Password

Aug 27, 2012

that's what I did:

SQL> select profile from DBA_USERS where username = 'SYSTEM';


SQL> alter profile DEFAULT limit password_life_time UNLIMITED;

Profile altered. But I get still the warning message every login. ORA-28002: the password will expire within 7 days.

$ sqlplus system/oracle111@XE
SQL*Plus: Release Production on Mon Aug 27 10:29:03 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
ORA-28002: the password will expire within 7 days

Connected to: Oracle Database 11g Express Edition Release - 64bit Production

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Server Administration :: OFA And Raid System For Oracle

May 5, 2011

Can I use OFA and Raid system together for Oracle 11g in Windows 2008 Server? I am installing the OS in C drive. Where to install the oracle, location for Oracle_Base, number of logical and physical drive required, size of each etc.

I am planning to use
Raid 1 - Controlfile, redolog file and archive log file
Raid 1+0 - Datafiles

Also I want to multiplex virtual memory page also.

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Server Administration :: System Tablespace Resize?

Dec 23, 2012

My system tablespace size is 800mb and it sends an alert saying that it has exceeded 80% of its usage.However its total max size is 30gb.

Its autoextensible is set to 'YES'.
2 Node RAC database.
File system is ASM

My question here is... is it advicable to resize a system tablespace to some size when autoextensible is set to 'YES'
or genrally can we resize a system tablespace when autoextensible is set to 'No' ?

SQL> col FILE_NAME format a40
SQL> /
FILE_NAME BYTES/1024/1024 AUT MAXBYTES/1024/1024
---------------------------------------- --------------- --- ------------------
+DATA/ge01114/datafile/system.556.2254454 800 YES 30000.9844

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