JAXB: Multiple Schema

I have three XSD files, let say A.xsd, B.xsd and C.xsd
B.xsd and C.xsd are including A.xsd
A.xsd has some global complex/simple types, that other xsd(A,B) uses.
How should I compile these schemas, so that classes generated from A.xsd are shared between classes of B.xsd and C.xsd?
I need this, so that I can write some utility methods for common types.
Sanjay

Hi
Go through the sun website for doing so. This would give you a clue as to how to.
http://java.sun.com/xml/jaxb/jaxb-docs.pdf
It teaches you a step by step procedure to go ahead.

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Hello,
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I would like the 2 XML documents to be similar, but in the first one, I get :
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Ok, I found a solution to get all namespaces placed in the root of the generated XML document : one have to implement a NamespacePrefixMapper
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Multiple schemas with Marsheller

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I didn't try include because the Schema specs said that both schema files have to be for the same namespace. Sure enough when I tried it I got this error:
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Niall Litchfield
http://www.orawin.info/

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Hi All,
I am trying setup a common application frame work in apex. Please help me.
How to achieve this.
Creation of one application attached to different schemas at run time. So that my application maintaince is going to be easy instated of creating copies of same application.
More details:
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Thank you for the reply.
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Is it possible to create a multiple import into multiple schema in a single DB server ?

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Validate a XML file against multiple schema files

Hello everybody!
How can I validate a XML file against multiple schema files?
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Hi Peter,
Please use the validateXML BPEL Property : This property validates incoming and outgoing XML documents. If set to true, the Oracle BPEL Process Manager applies schema validation for incoming and outgoing XML documents. This property is applicable to both durable and transient processes. The default value is false.
Cheers
A

Multiple schema, but instance doc does not have namespace

Is it possible to successfully validate an instance document without namespaces against multiple schema with different namespaces?
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Hi Larry, Thanks for your reply along with Muppet Mark, If I changed the color settings originally it was not my intension, I was simply just opening the next project to work on and viola’ “missing profiles”.
Attachment (picture) 7 was my last setting for color prior to your email, and yes I was messing around with this last night comparing it to one of our old G4’s, so I can’t remember where it started out before I got my hands on it.
Attachment (picture) 8 is my current settings based on your email recommendations.
Attachment (picture) 6 is the message I receive when I open any files created prior to these changes I just made. However after I open and resave the file I no longer receive this (picture 6) message.
My question is will my color be back to where it was before the problem started last week. In looking over one of the files I opened (I design/build transportation maps btw) most of the color is where I usually have it set however some colors were fractional as if they were converted from spot colors. SO I’m not sure what to do except go through all the known colors and make sure they are where I usually would set them, or do you have a better suggestion.
Oh by the way – for all you guys that are helping lunch is on me at McDonalds on Michigan St in Grand Rapids, MI!!
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#6

Help With Multiple Schemas In Multiple Environments

Dear Oracle Forum:
We have a bit of controversy around the office and I was hoping we could get some expert input to get us on the right track.
For the purposes of this discussion, we have two machines, development and production. Currently, on each machine, we have one database with multiple schemas, say, one for sales data and another for inventory. The sales data has maybe 200 tables and the inventory has another 50. About 12 times a year, once a month, we have a release and move code from dev to prod. The database is accessed by several hundred Pro*C and Pro*Cobol programs for online transaction processing.
The problem comes up when we need to have multiple development environments. If I need to work on something for May that requires the customer address field to be 50 characters and somebody else is working on something for July that requires the customer address field to be 100 characters, we can’t both function in the same schema. We have a method of configuring running programs to attach to a given schema/database. Currently, everything connects to the same place. We were told that we should not have the programs running as the owners of the schemas for some reason so we set up additional users. The SALES schema is accessed with the connect string: SALES_USER/[email protected]. (I don’t know where we got dot world from but that is not the current discussion.)
One of the guys said that we should have 12 copies of the database running, which is kind of painful to think about in my opinion. Oracle is not a lightweight product and there are any number of ancillary processes that would have to be duplicated 12 times.
My recommendation is that we have 12 schemas each for sales and inventory with 12 users each to access them. We would have something like JAN_SALES_USER, FEB_SALES_USER, etc. Each user would have synonyms set up for each of the tables it is interested in. When my program connects as MAY_SALES_USER, I could select from the customer table and I would get my 50 character address field. When the other user connects as JUL_SALES_USER, he would get his 100 character address field. Both of us would not know anything different.
Another idea that came up is to have a logon trigger that would set the current schema for that user to the appropriate base schema. When JUL_SALES_USER logs in, the current schema would be set to JUL_SALES, etc. This would simplify things by allowing us to avoid having something like 2400 synonyms to maintain (which could be automated without too much difficulty) but it would complicate things by requiring a trigger.
There are probably other ways to go about this we have not considered as yet. Any input you can give will be appreciated.
Regards,
/Bob Bryan

Hans Forbrich wrote:
I'd rather see you with 12 schemas than with 12 databases. Unless you have lots of CPUs to spare ... and lots of cash to pay for those extra CPU licenses.
Then again, I'd take it one step further and ask to investigate the base design. There should be little reason to change the schema based on time. Indeed, from what little I know of your app, I'd have to ask whether adding a 'date' column and appropriate views or properly coded SQL statements might simplify things. Interesting. If we were to have one big Customer table with views for each month, how would we handle the case where the May people have to see 50 character address and July have to see a 100 character address field. I guess we could have MAY_ADDRESS VARCHAR2(50) and JULY_ADDRESS VARCHAR2(100) and take care to make sure that people connecting as May can only see the May columns, etc. This is simpler than multiple schemas?
I may have overly simplified things in my effort to get something down that would not require too much explanation. The big thing is that multiple people are doing development and they have to be independent of each other. If we were to drop a column for July, the May people will have trouble compiling if we don’t keep things separate. It is not a case of making the data available. The data in development is something we cook up to allow us to test. The other part is the code we compile now will be released to production one of these times. In production, there is only a need for one database.
We are moving from another database product where multiple databases are effectively different sets of files. We have lots of disk space so multiple databases were no problem. Oracle is such a powerful product; I can’t believe there is not some way to set up something similar.

Using Multiple Schemas in one Application

Is it possible to have multiple schemas from the same database in one applicaiton. In APEX we have added multiple schemas to our workspace but when we create a form or report only one schema seems to be available.

Miroslav wrote:
Your application has a parsing schema. All other schemas have to give appropriate grants to it to be available to your application.Miroslay is right, if you use the INTERNAL workspace to add additional schemas to a workspace, APEX does not take care of any grants between the schemas. APEX can not know how or if you might want the schemas to interact with one another. All this does is gives the workspace the ability to utilise that schema, such as adding it as parsing schema to any applications in the workspace.
You can switch to the secondary schema in SQL Workshop and add grants from there, e.g.
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Browsing multiple schemas in SQL Developer

Hello,
I have been using Toad before and I just started using SQL Developer. In Toad we have the abillity to browse through multiple schemas by selecting the appropriate schema from the drop down list. However when I login via SQL Developer it seems I get to browse only the schema associated with my username even though I can run queries against tables that reside in other schemas. How do I browse through multiple schemas via SQL Developer? I am using SQL Developer v1.2.1.
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Hi,
Look for "Other Users".
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One dump file inport into multiple schema

Hi,
I need to import one dumpfile to multiple schema but it's not working.
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how can import one dumpfile to multiple schema?
Edited by: 819136 on Feb 16, 2011 5:53 AM

Hi,
I want same schema import into different schams (users) is it possible?
OS Version is Linux 4
Oracle DB Version is : 10.2.0.4
While importing getting the below error
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Import: Release 10.2.0.4.0 - Production on Thursday, 17 February, 2011 9:24:32
Copyright (c) 2003, 2007, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39001: invalid argument value
ORA-39046: Metadata remap REMAP_SCHEMA has already been specified.

Does XDB supports validating xml against multiple schemas?

The XMLType has some methods for validating an xml documents against a schema, e.g., SCHEMAVALIDATE, etc.. does XDB support validating xml against multiple schemas (Just like what JAXP or Xerces have done)? Or what's the current situation about this issue? thanks.

did you try using the import schema element instead of the include elemnt?

Database Design - multiple schemas

Hi!
We're currently designing a DB for an AUTHENTICATION SYSTEM where several users from different companies (around 40) will have to be authenticated -- connected to ORACLE. Authentication and faster recovery is important.
Recovery/Backup
An issue raise where what if the schema encountered a problem then of course you have to backup the entire data. So we are considering to use multiple schemas.
One Company = One Schema
So if one schema is down then other schemas will not be affected and faster to recover.
Actualy, we're quite hesistant to use multiple schemas because of maintainability -- Managing different schemas and too much burder for our developers.
Will the idea of having multiple schemas be advantageous to what we want to achieve?
Is this a good design or any other idea to handle this kind of situation?
Can Partitioning do the same?
Thanks a lot

Advantages of multiple schemas:
- each schema is entirely separate
- you can maintain at different times/dates for different companies
- different schemas could be on different databases / servers
Disadvantages
- any 'shared' data may have to be duplicated (but you can always use a shared schema for reference data)
- yes, you have to maintain each schema separately (but that would be by scripts, and at least they'd be well tested!)
The dictionary (SYS tables) will be somewhat larger (40 copies of table, index, pl/sql definitions)
- you'll have 40 identical sets of SQL cached; they all look the same, but relate to different schemas. So you need a bigger SGA.
Can Partitioning do the same?No - partitioning is a solution to a physical problem, not a security problem
Is this a good design or any other idea to handle this kind of situation?I think either way works - it depends on size, number of users, are you using a third tier, etc.
Or, with a single schema, you can use VPD - virtual private database (otherwise known as FGAC - fine grained access control or RLS - row level security).
See eg http://builder.com.com/5100-6388_14-5062064.html and also Ask Tom http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:70287097313911 which refers to the documents.
You can also implement a kind of VPD on the cheap by using user defined namespaces and the SYS_CONTEXT function, combined with application logic and clever view definitions.
HTH
Regards Nigel

Oracle Portal w/ Multiple Schemas

I posted this in the Architecture forums, but it looks like this forum may be better or yield more results for what I'm looking for.
We are just about to launch a Portal initiatve and are looking for best practices for implementing a single instance of Oracle Portal that interacts with multiple schemas. Has anyone here done this or know where I can find this type of info? I have a few questions about how this works, how scalable it is, how security is handled, yada yada yada. --Kind Regards, Derek.

Hi jlubbers. Thanks for your reply.
After some additional disucssions with our DBAs, I think I may have left a misleading post in respect to schemas. Our company acts as an application service provider to some degree. The way the databases are setup, each of our client agencies have their data stored completely separately from other agencies. The table structures are almost exactly identical (and can be considered identical for the scope of this discussion) and will never be merged together.
We want to leverage Oracle Portal as much as we can while also getting as much reuse as we can. Each time we get data from the database, we want the datasource to be dynamic based on the usergroup.
One constraint that we have is that the physical database connection must be connected as the user that's logged into the portal, so I think we have to do some type of User Proxy, but we're not 100% sure how to do that and what that means for all of our java applications.
I'll check out your other posts and see if there is anything in there that may help. Thanks for taking the time. --Derek

JAXB: Multiple Schema

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