Statistics/memory for 10g database

can anybody guide me how much memory needed for one oracle 10g database? can anybody share the statistics on each oracle 10g process memory? - we are in the process of building production databases and would like to have some estimates/statistics

That depends almost entirely on the application(s) a database supports. You can get a minimal install using a couple hundred MB of RAM, but that would probably be terribly insufficient for a high volume OLTP application. If your database has particularly large meory requirements, you could easily require 10's of GB of RAM for acceptable performance, but that would obviously be overkill for a low volume departmental application.
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

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Please provide any official link or torrent link. It's for our learning purpose.
Thanks in advance ..
OS : REDHAT5, OEL 5
VMWARE : Version 7
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Hello ;
I can't be enable SQL* Plus in my VMWARE.
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Archive: instantclient-sqlplus-linuxppc32-10.2.0.1-20051121.zip
inflating: instantclient_10_2/glogin.sql
inflating: instantclient_10_2/libsqlplus.so
inflating: instantclient_10_2/libsqlplusic.so
inflating: instantclient_10_2/sqlplus
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total 1135
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Thanks!

http://otn.oracle.com/software/products/workflow/index.html
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Support for 10g database target

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Thanks,
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Advice me regarding the certification path for 10g database certification.

Hello friends,
I am planning to take the certification for Oracle 10g database Associate, and am confused about the codes of the tests I need to take.
I have following queries:-
1) Is it enough to take 1Z0-042, to take Oracle Certified Associate, certification?
2) Is it necessary to take 1Z0-047 as a support for this certification?
3) Would I be considered for job openings if I get certified? (I mean the frequency of jobs). I know it is hard to answer this question, however I want an idea of applying for certified related jobs that accept OCA.
Please advice me in this regard.
Thanks in advance
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Please post any other certification-related questions in the forum: Oracle Certification Program
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Download not working for 10g Database for Vista

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Thanks and regards
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[email protected]
(On behalf of Cindy)

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Write-up for 10g database analysis

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amitavachatterjee1975 wrote:
Hi Gurus,
I need to analyze a 10g database in details (which have too many issues-database related) since I cannot do direct connection to it cause of legal restrictions.
Please let me know what are the main points I need to get information about during preparing the write-up.
Thanks
Amitava.
What is " the write-up" that you are preparing? A justification for granting access to the database?
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Back Up Server - for 10g Database

Dear Gurus,
I have the following requirement:
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copy D:\10gDB_Backup\*.dmp s:\
echo "Finished Copying the 10g Database to Backup Server"
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Note Db Size is 450MB.
Regards
Kiran Rana

If you want to use an export as a supplement to a viable backup mechanism, the least you could do is use datapump. However, if this is all that you use, like damorgan says, you are a disaster waiting to happen.
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Logical backups contain logical data (for example, tables or stored procedures) exported from a database with an Oracle export utility and stored in a binary file, for later re-importing into a database using the corresponding Oracle import utility.
Physical backups are the foundation of any sound backup and recovery strategy. Logical backups are a useful supplement to physical backups in many circumstances but are not sufficient protection against data loss without physical backups.
Unless otherwise specified, the term "backup" as used in the backup and recovery documentation refers to physical backups, and to back up part or all of your database is to take some kind of physcial backup. The focus in the backup and recovery documentation set will be almost exclusively on physical backups.
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/intro001.htm#sthref10

MBRC and SYSTEM STATISTICS in Oracle 10g database.

Hi All,
I am performing database upgrade from Oracle 8i Solaris to Oracle 10g HP-UX using exp/imp method.
But i do have some doubts regarding MBRC and System statistics.
MBRC in Oracle 10g is automatically adjusted if MBRC parameter is not set, but i found value 128 as shown below.
SQL> select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE    10.2.0.4.0      Production
TNS for HPUX: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
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NAME                                 TYPE                             VALUE
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Does this MBRC value affects whole database performance?
Regarding SYSTEM STATISTICS i found below result:
SQL> select * from AUX_STATS$
SNAME                          PNAME                               PVAL1 PVAL2
SYSSTATS_INFO                  STATUS                                    COMPLETED
SYSSTATS_INFO                  DSTART                                    11-09-2009 04:59
SYSSTATS_INFO                  DSTOP                                     11-09-2009 04:59
SYSSTATS_INFO                  FLAGS                                   1
SYSSTATS_MAIN                  CPUSPEEDNW                     128.239557
SYSSTATS_MAIN                  IOSEEKTIM                              10
SYSSTATS_MAIN                  IOTFRSPEED                           4096
SYSSTATS_MAIN                  SREADTIM
SYSSTATS_MAIN                  MREADTIM
SYSSTATS_MAIN                  CPUSPEED
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SYSSTATS_MAIN                  MAXTHR
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I have not seen single database where system stats are gathered in our organisation having more than 2000 databases.
-Yasser

Maybe this article written by Tom Kite helps:
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:499197100346264909

Whats the minimum memory for 10g R2 on Sun solaris ?

I had 10.1 running happily on red hat enterprise linux with 500m memory and trashed it to install 10.2 and this wont install as it says it needs 1g of memory now .
At work I'm intending to install 10g R2 on solaris 10 but the servers have only 512M of ram .
am I wasting my time ?
Thanks
George

Hi,
It seems that the minimum required is 1024Mb RAM... from the documentation :
http://download-uk.oracle.com/docs/cd/B19306_01/install.102/b15690/pre_install.htm#sthref94
It will be hard to bypass this restriction, not only for install, by for work too.
Nicolas.
Sorry ebrian...
Message was edited by:
N. Gasparotto

Is RAID 5 not recommended for Oracle database ?

- I am planning to install Oracle database
Here are the specs:
- Dell PowerEdge T610 server
- Windows 2008 R2 (64-bit )
- 24 GB memory
- Oracle 10g database (64-bit database)
- Our database is for an ERP based client server application
- Will have around 35-45 users
- Will have around 150-200 transaction per day ( 8AM-5PM) only database
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Now I am planning to buy the hardware server, I heard that RAID 5 is not recommended for Oracle database.
Is it true ?
What do you recommended for Oracle database ? RAID 5 (or) RAID 1

johnpau2013 wrote:
I heard that RAID 5 is not recommended for Oracle database.
Is it true ?Kind off... as Oracle (as per the RAC Starter Kits for example) explicitly recommends SAME - as in Stripe And Mirror Everything.
This is a combination of RAID1 and RAID0.
However, you will also get whitepapers from storage vendors like EMC in partnership with Oracle, that explains how to configure and use RAID5 storage and how effective this is. And as some will tell you, RAID5 can work just fine with Oracle... and some others will grimace and tell you how bad an idea that is from personal experiences.
In a nutshell - RAID5 requires a parity calculation on each write. That is a very expensive overhead if that calculation impacts the fwrite() (file write) command of a process writing data to disk. It significantly slows down the write operation.
However, if that parity calculation is done asynchronously and does not effect the elapsed time for a fwrite(), then a fwrite() to RAID5 is as fast or as slow as it would be to RAID10 for example.
Unsure how many modern storage system supports off-loading the parity calculation and not impacting the write I/O call. This can be done using ASICs (Application Specific Integrated Circuits), specialised s/w on the storage server, etc.
Whatever you put in place - test the RAID config thoroughly up front and ensure that performance is up to specs. There's a utility called fio (<i>Flexible I./O</i>) written by a Linux kernel hacker that works for Oracle. It is an excellent utility to use to generate and test I/O - but it is Linux and Unix based.
Any specific reason using Windows? Linux is by far a more predominant 64bit operating system than Windows, and has significant higher market share in Oracle RDBMS than Windows. Given the fact that over 93% of the 500 fastest computer systems on this planet runs Linux, I'm always kind of amazed that some would still use Windows as a server-side o/s for Oracle.

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Hello,
We have to use COMPUTE STATISTICS clause for index in oracle 9i and eariler.
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I am using databse of oracle 10g R2 but my compatible paramtere is 9.2.0 then should I use COMPUTE STATISTICS for my index?
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Edited by: user10540254 on Dec 23, 2011 12:44 AM

use this :
using analyze table <table_name> compute statistics;

Installation error message for Oracle Database software for version 10g

Would someone be able to advise why I keep getting the following error message whilst installing Oracle trial Database software for version 10g Release 2 Standard Edition, Standard Edition One, and Enterprise Edition? Link listed below : -
http://www.oracle.com/technology/software/products/database/oracle10g/index.html
Error message "Cannot create directory"C:\oracle\product\10.2.0\db_7\cfgtoollogs\dbca\projemp"
Below is the 12 steps that I go through, please advise what I'm doing wrong : -
1. (Operations) default is Create a database
2. (Database templetes) default is general purpose
3. (Database Identification) projemp.local for Global database name & projemp for SID
4. (Management options) default is "Configure the database with Enterprise manager, also the options button has been clicked for "Use database control for database management"
5. (Database Credentials) the options button has been clicked for "Use the same password for all accounts" so I've set up a new password, was that correct?
6. (Storage options) the options button is clicked for "File System - use the file system for database storage.
7. (Database file locations) the options button is clicked for "Use database file locations for template" Is this option correct? Other options are Use common location for all database files or use Oracle-managed files?
8. (Recovery configuration) the options button is clicked for "Specify flash recovery area
9. (Database content) nothing has been selected, the only option is "Sample schemas" should that be clicked?
10. (Initialization parameters) the options button is clicked for "Typical- allocate memory as a % of the total physical memory
11. (Database storage) no options available
12. (Creation options) the options button has been selected for "Create Database"
Click finish
I then get a screen stating General purpose, click OK then I get the following error message as stated at the start of this e-mail ""Cannot create directory"C:\oracle\product\10.2.0\db_7\cfgtoollogs\dbca\projemp".
Regards
Phil

855880 wrote:
I have been trying to install the "Oracle Database software for version 10g Release 2 Standard Edition, Standard Edition One, and Enterprise Edition" about six times with no success.Do you realize you just mentioned 3 different and distinct products? So which one are you installing?
>
I've gone through my courses instructions as listed above (1-12) and end up with the following error message"C:\oracle\product\10.2.0\db_7\cfgtoollogs\dbca\projemp".What course?
>
I've removed the software from my computer using control panel, programs & features then uninstall once but the other five times the software hasn't been listed. Whilst the Oracle was on my task bar I was able to install using Start > Programs > Oracle - HOME-NAME > Database Administration > Database Configuration Assistant.No you didn't. Database Configuration Assistant does not remove software. It can remove a database. As I mentioned before, there is a difference between the software and the objects that software manages. Deleting an Excel spreadsheet is not the same as deleting Microsoft Office. Deleting an Oracle database with Database configuration assistant is not the same as removing the Oracle software.
>
Now that oracle is not on my task bar I've unzipped the link below, clicked on db, Disk1, setup, changed the Database password (is that correct?) install and I get the following error message "Check complete. The overall result of this check is: Failed<<<<<
Problem: The install has detected that the primary IP address of the system is DHCP-assigned.
Recommendation: Oracle supports installations on systems with DHCP-assigned IP addresses;
However, before you can do this, you must configure the Microsoft LoopBack Adaptor to be the primary network adapter on the system. See the installation Guide for more details on installing the software on systems configured with DHCP."
So what did you do with the above error message? Did you follow up on what it said? Did you read the very fine Installation Guide that comes with the software? Did you read the section on networking considerations where it discussed DHCP assigned addresses and installing the loopback adapter?
http://www.oracle.com/technology/software/products/database/oracle10g/index.html
Ok, that link takes us to the download page, which does not shed any light at all on your problems
I'm using Windows Vista Home Premium, 32 bit operating system, and my computer is saying I have 142 GB free space.
If you read the installation manual that came with the downloaded software, you'd have seen in the prerequisites that Home editions of Windows are NOT listed as supported platforms, whereas Business, Enterprise, and Ultimate editions specifically ARE listed as supportd.
Hope this is some help.And
I'm not to clever on computers so would you be able to advise how I get to the command window to issue the SET command please?
Also I've no idea what OS user I am, I'm taking an on-line Oracle course and been advised to install "Oracle Database software for version 10g Release 2 Standard Edition, Standard Edition One, and Enterprise Edition"
How do I find out if I'm part of an Administrator, ORA_DBA group ?
Can you walk me through how to create the directory from command line please?Ok, given the above statements from you, I'm not even sure where to begin. I don't want to be cruel, but this self-admitted lack of even the most rudimentary knowledge by someone attempting to learn about Oracle is truly astounding. What course are you taking? Why are you taking this course?

How to define the SGA/ PGA or memory target for the database

Hi,
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Currently we are running the databases on default memory which was selected at the time of creation of the databases,
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Hi,
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Statistics/memory for 10g database

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