300 Users: need suggests...

Hi all! I need to configure an oracle database server (9.2.0.4.0) in order to guarantee that 300 users can connect and use the database in the same time... I need suggests regarding hardware (Cluster? Parallel server?)and software requirements to satisfy this request based on your DBA experience.
Can you help me?
Thank you in advance.
Bye.
Ste.

OLTP is ok, the max workload is 300 users using database at the same time. I think that 9i Enterprise Edition + Real Application Cluster is too expensive... 10g includes Real Application Cluster... Is this right? Then I think the hardware can be like this:
2 server (2 cpu), 2 Gb ram for every server, 1 disk array (4 x 73 Gb) with 2 fiber ports without NAS (for the moment)... Do you know if there is some vendor that sells a system like this for using with Oracle so it is not necessary to buy every device from different vendors and to read long compatibility lists? Do you know any "success case" I can read to find some usefull information regarding the configuration of such a system?

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Low level Hex disk edit & search util needed- suggestions please?

low level Hex disk edit & search util needed- suggestions please?
Maybe It's just late & I've had a bad day.... but I haven't needed a low level Hex disk edit & search utility suitable for an Intel 10.4.x Mac until now and can't seem to locate one.
There should be plenty of free/shareware options (because they're handy and not particularly hard to write ... and every tech head needs one some time)...
Any suggestions please?
[I haven't bothered with the commercial stuff - like tech tool/Norton/*insert name here* Recover/repair, Something Genius etc. etc. because they are all without exception either unnecessary (just pretty shells for the underlying UNIX/X utils) useless AND greedy $-gougers, just useless, or just money gougers so I couldn't even say whether any still have a 'feature' like the old Norton Disk editor app had - but a quick look about suggest not...]
grumble
Any specific suggestions/links, please?
TIA

they are all without exception either unnecessary (just pretty shells for the underlying UNIX/X utils) useless AND greedy $-gougers, just
useless, or just money gougers
Such a high-esteem for fellow human beings - and
programmers...
You know, there are some good decent nice people
behind those names?
You'd be amazed at how much testing goes into a product.
[SNIP]
g'day Hatter...
Yes, I know there are some good decent nice people behind those names..fellow human beings - and fellow programmers (so yes, I do know...) In previous incarnations I have 'thunk up' and developed, Marketed & supported considerably more complex Apps & systems myself - I even know some of the people you mention personally - and they are usually decent Blokes/women but normally, it isn't the programmers who make the decisions on pricing/features/support/performance/upgrade costs & cycles etc...
My only error was, I agree, the phrase 'without exception' - but (mainly) only because I haven't bought/tested & used all of them very very recently. So I offer my apologies to those to whom my remarks should not apply (long, late night/early morning frustration...)
However, I also offer a few simple pertinent examples:
One 'top name' Utility company had a 'save your Mac HD' product on the market for some time that was almost guaranteed to TRASH it irretrievably but did NOT say so - nor did they help or compensate those they harmed.
Several are selling what amount to simple, pretty, GUI shells for 'free' or OS-included command line tools - no more, no less but do NOT say so and are asking good money for the 'software'.
Many are asking ridiculous prices for "regular upgrades" so you can keep their tool current with your Mac OS - one wants US$100/year for it, another, $15 per u/g, others, US$25 or $40 per u/g; one asks 'only' $10 - and these 'upgrades' are happening 3,4,5,6 times per year and are necessary for the Marketing company to keep their product Saleable to new purchasers and new Macs (as well as for important Bug Fixes - and only co-incidentally to keep it performing with your current Mac and OS - which is what you paid them for in the first place).
I won't pay for a product 3, 6 or 9 times and I won't advise my clients to: It's not unreasonable for a person to expect a 'sensible lifetime/currency' of Product X for Computer Y - say 3 years (e.g. AppleCare). I wouldn't object to paying for an "upgrade" at that point - IF it's worth the money.
Software is Waaay too expensive in many cases and is simply inviting 'piracy' - from people who have already PAID for the product: sadly, they are killing their own Gooses.
Seriously, one product costs ca. US$100 to Buy in the first place
To keep it actually working for you costs about the same again Per Year - a 3 year 'sensible lifetime' or 'currency' cost of US$300 or $400! [That'll buy a lot of 'bare drives' to put in a handy Firewire case for automatic backups in Background, differential backups etc. and other simple practices which render this product type largely unnecessary ].
For what? A relatively simple set of utilities which would actually cost the company involved less than $5 total each - over 3 years - to make available to existing ( or 'current') owners. [Applecare 'complete' Hardware and Software warranty & support on a US$2000 iMac - which includes Tech Tools Pro Deluxe or somesuch costs about US$165 for 3 years. Total.]
Having designed, developed, Marketed, supported & maintained more complex Applications to/for a sizeable user-base (in US terms) over multiple complete Series of Product 'life-cycles' - regular Updates and all, I think I know where the pirates are.
These practices have been rampant in the MSWindows™ market for a longtime. It's a real shame to see it in the Mac world.
I have all the esteem in the world for those fellow human beings who deserve such - and programmers who are 'good decent nice people'.
I have none to spare for monopolists, 'exploitationists' or any of those who take unfair/unreasonable advantage of their fellow human beings - AND of programmers who are 'good decent nice people' (like, say, ME... .
In any event, as I said: they are "killing their Gooses": I know of at least 6 software companies which went this route a while back. All are dead or dying.
Thank you for your help - and the opportunity to apologise for 'mis-speaking'.
all the best,
orig g4 733, many others thru (the luvly) Macintels New & old Macs, Wintels, MacIntels, other systems...

Need suggestion

hi....i need suggestion on my problem.i've been given a complete atand-alone java application.my assignment is to make the system,a web-based system so that when we want to make a demo we did not need to bring an installer.just show to from the browser.i thought of using java web start.it's just my opinion.so,i want to hear others opinion......
Tq

Java Web Start is the solution I would choose. You must bear in mind that a browser is not enough to run Java Web Start - the client PC must have the correct version of the run-time environment (JRE) installed as a minimum - which, I think, is somewhere about a 10-15 megabyte installation.
The run-time environment for end-users is best/readily installed from the http://www.java.com site. Click the "get it now" button and away you go!
Alternatively, I think some PCs actually recognise when you've clicked on a JNLP link and automatically check your to see if you have a version of the JRE and download it if necessary - but I'm not 100% sure if this can be relied upon across all platforms/browsers...
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Need suggestion for new laptop

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Please send KUDOs
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
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Thanks, zadok .
Actually, I don't have the system requirements neither. All I know is the following outline:
"We want to create web based application that will run on windows and linux (linux on embedded PC).
The application should be able to support 10 � 100 users at once accessing/editing database.
We will also need to create a communication server that will run on web server P.C. that will communicate tcpip to field panels/log to db, as well as allow web screens to send/receive commands with field panels etc."
It is a interview question, which need me to do research and give some suggestions. What I want to know is to figure out what kind of Java technology is necessary for developing this system because I want to make sure I head to right direction.
I know somehow it is hard to give suggestion based on this limited information.
One more thing I was confusing is the server-side architecture.
I need suggestion about sever side architecture:
a. write a dedicated server-side program, which act
as communication server to monitor and control field
panel, also act as server-side applicaiton by using
RMI to communicate with Client-side communication.
b. choose a general web server architecture. Put
everything in server side in Web Server, for example
Tomcat AS container, implementing the Communication
server as Web Service and the request from
Client-side go to Web Server first, then dispatch to
a proper web service.Why did you not include this information in the original question!
Why don't you just use Tomcat?
For your answer, "Why don't you just use Tomcat?", does it mean Tomcat without Web Service will be enough for this system development? Could you give me some detail about it?
Thank you very much, zadok.

RMAN Recovery failing , Need Suggestion

RMAN Recovery is failing 3 times with these errors , need suggestion
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 09/20/2006 22:44:32
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RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
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RMAN-00571: ===========================================================
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RMAN-00571: ===========================================================
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My concern is
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 09/21/2006 12:24:56
RMAN-03015: error occurred in stored script Memory Script
RMAN-06136: ORACLE error from auxiliary database: ORA-01013: user requested cancel of current

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Hi,
I am going to develop an online trading application. I have decided to use JAVA EE 5 and I have read "The Java(tm) EE 5 Tutorial". Because I am a (C++) programmer and new to Java, I need suggestions to start development.
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a web client for creating and managing user accounts,
a desktop application and web client for users for online trading and
an application client for brokers for risk management.
Here is a sample scenario for flow,
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operation (op_id, user_id, stok_id, op_type, op_amount, op_value)
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will generate random prices and push new values to registered clients
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Hi All,
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Hi guys,
I want to archive one of my large table. the structure of table is as below.
Daily there will be around 40000 rows inserted into the table.
Need suggestion for the same. will the partitioning help and on what basis?
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PCTINCREASE 0
BUFFER_POOL DEFAULT
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There will not be any updates /deletes on the table.
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I want to set up the Time Machine and I would love to use the Time
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what other
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Machine is not backing up my files
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is whether you can advise me here or whether this is only a matter for
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I need suggestion on how to do 3D rotating title animation. Let me explain what i wanted to do.
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Nick Holmes wrote:
You would have to build this one from scratch, but it's pretty easy.
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Thanks Holmes but where do I find the Sequence settings ?
Thanks

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Hello inform2csr,
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What is VO?

Need suggestion for designing a BEx report

Hi,
I need suggestions for designing a BEx report.
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2. Maintenance Plan u2013 Key
3. Maintenance Item u2013 Key
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6. Planned Date u2013 Data Field
7. Completion Date u2013 Data Field
This DSO contains data like:
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Plan --- Item -
Call# --- Cycle -
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25000 -
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Thus based upon above data, if I execute report at the end of (say) March then report must display:
Functional ---     Curr. Cycle --- Planned Date --- Prev. completed Cycle --- Prev Completed Date
Location
11177 -
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---     T1 -
--     10-Jan-2011
11177 -
     M1 -
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---     T1 -
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25000 -
     T1 -
     14-Mar-2011 -
---     T2 -
--     25-Feb-2011
Any idea how can I display Previous Completed Cycle and Completion Date (i.e. the last two columns)?
Regards,
Vikrant.

hi vikrant,
You can a Cube at the reporting layer which gets data from DSO and which has these 2 extra characteristics completion date and previous cycle along with other chars and keyfigures from DSO.
You can populate these based on your logic in the field routine.
Hope it helps.
Regards
Dev

300 Users: need suggests...

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