Multi-entity application

Hi there,
I'm developing a multi-entity application and I'm not sure how to optimize the data base. Let say big tables for each entity will have 15000 rows per year and we are expecting at least 150 entities, so we are talking about 2250000 rows per year. It´s a web application and we want an optimized response, there are complicated queries with a lot of JOINS so we did some test and it´s a bit slow.
well, we thought in two options:
1.- a column in each table to indicate the entity: tables with 2250000 rows each year.
2.- each entity connects with a different oracle user wich contains its own tables (big ones): 15000 rows per year but 150 users.
I asked about this, someone told me that 150 users wouldn't be efficent becouse oracle would spend too many memory to manage it (I dont know).
Any answer will be welcome
Thanks!
PD: sorry about my english, I´m spanish ;-)

So, wouldn´t you suggestuse a different user for each entity?
Imagine you have 10 tables, 5 of them have around 15000 rows per year and there will be 150 entities like that. we thoght of using a different user for each one just for the eavy tables, and keep the rest of tables in a common schema. So the entity A access with the user A (all the schemas have synonims to the common schema).
Ah, It´s a web app.

Similar Messages

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I know this sounds crazy, but I would like to create a multi-entity view object, where one entity object is based on a table in my application (we'll call it "Users", which basically stores the primary key for the person from the institutional people database), and the other table is a entity object based on a view of the institutional people database table (read only access), which we can call "People".
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----- LEVEL 1: DETAIL 0 -----
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Steve, thanks for your quick response to my question.
To answer your questions, I was trying to create the Multi-entity View Object to give me more flexibility when working with my User table, and my People view. The flexibility I desired was that I would be able to sort my Users based on attributes in the People view. This is not possible when the there is only one Entity in my VO, and the People view data are all transient attributes, because they are not in the SQL statement.
Ultimately, after working with one of my colleagues, we decided to use the approach that you mentioned by creating a read-only VO with the SQL query we want to display to the user (contains both User and People data fields), and then use a different ViewObject when performing other actions on the User Table (such as inserts/updates/deletes). By using the setWhereClauseParam() method in the handleLifeCycle() for the JSP page, we should be able to navigate between the different View Objects, so that the user does not see any difference.
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ButtonText= Nur ein KnopfEdited by: Joerg22 on 18.08.2008 13:26

What's your default locale? If your default locale is de_DE, that's the expected behavior. The reason for it is the fallback mechanism searches default locale's bundle before falls back to the base bundle, i.e., in case of searching en_GB bundle, the search order is:
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en
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de
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Message was edited by:
Brent Harlow
Dont' mind me ! Seems the problem came down to one of my tables having a column called "ID". I ran into other SQL issues with this and had to change the column - once I had and had synchronised the business objects - it works fine !! :)

Hi Jeroen,
The fix for me was simple - the problem was being caused by a column name on the underlying table being "ID". Once I changed this name, it worked fine. Check the column names for any reserved words that really shouldn't be used as column names !
Cheers,
Brent

Multi Currency application

Hi All.
I have created a multi currency application with only two currencies USD and Euro. But when i try to enter the data into the data forms through USD or Euro, i am not able to do that.
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Also, i created some currency conversion scripts and run them successfully but when i see data across Euro or USD it is the same data i entered into the local currency.
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Have a read of this post :- Re: Read/Write functionality in Planning Data Forms
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http://john-goodwin.blogspot.com/

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That code is so wrong in so many ways......
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Doug Lea's book
http://java.sun.com/docs/books/cp/
Doug Lea's Site
http://g.cs.oswego.edu
-Spinoza

Jdev11g: Has anyone developed a multi -langual application successfully?

Hi,
In our application the user can change the language of the application by selecting it from as drop-down-list.
This works fine if we run the application with embedded WLS.
But running it on external WLS the language switch does not have any effect.
We have already filled bug 7588599 for this issue which is also reproduceable from Oracle Support.
At the moment I do not know a workaround.
I can't believe that there is nobody out there who has already been successfull with a multi-langual application on external WLS?
I hope to find a workaround in this forum to avoid waiting for backport patch.
regards
Peter
Edited by: hofespet on Nov 26, 2008 7:18 AM
repost

Hi,
problem is solved!
Excerpt from the SR:
Development did find the cause of the problem. The framework does lookup the language files in a specific format. That is the language must be in lower case and not in uppercase. In this case the file system is case insensitive since it is windows, so the exploded app just happened to work since it was finding the file on the file system. When deploying the application the file is being looked up by the jar/zip-finder which is working case-sensitive and thus it cannot find the file "startBundle_en.properties".
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Rename the file "startBundle_EN.properties" into "startBundle_en.properties".
regards
Peter

Multi user application control data access

Dear all,
i am using Oracle Developer Suite 10g and database 10g, windows xp plate form.
i want to develop multi user application regarding education.
i have two questions.
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should i create a public synonym for each table in the HR Schema?
or should i create a view for each table in each user schema?
or should i grant select,insert,update etc to each user on HR schema?
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http://www.oracle.com/pls/db112/to_toc?pathname=appdev.112/e10766/toc.htm
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http://docs.oracle.com/cd/E11882_01/appdev.112/e25518/toc.htm
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http://www.oracle.com/pls/db112/portal.portal_db?selected=5&frame=
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Therad1:                                                  Thead2:
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get(){
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Please don't cross post
http://stackoverflow.com/questions/6803487/immutable-objects-in-multi-threaded-application-how-does-it-work

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#http://blogs.msdn.com/b/windowsazure/archive/2013/06/04/the-top-10-things-to-know-when-running-sql-server-workloads-on-windows-azure-virtual-machines.aspx?Redirected=true
Best Regards
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NO_HIDE,
DO_REPLACE, -- replace menu
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OPEN_FORM(form_name,activate_mode,session_mode,
paramlist_name);
OPEN_FORM(form_name,activate_mode,session_mode,
paramlist_id);
sarah

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Hey jeery,
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