Can you generate XML schema from XMLDB?

I have not used XMLDB and donÂ´t read the entire doc about the product(sorry for that).
I got the following question, is it possible to generate a XML schema from relational data through XMLDB? Or is this best done via a third party software like XMLSpy or alike?

3rd Party Software...
We can generate a schema for an object Hierarchy but our considered opinion is that there is no sensible way to generate an XML Schema representation of a purely relational data structure. It requires a tool which allows you to make decisions on how to organize the heirarchy.

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Regards,
Laura

Hi Laura,
The error message "Can't generate Xml Schema" might be related to DTD. the XML file has a directive for loading DTD.
MDM doesnot support DTDs.
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Hope this helps,
Bes t Regards,
Silpa Chillakuru

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Can you generate a PDF file from LabVIEW?

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I just read this post in passing.
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Can you generate a Schem Collection from an SQL Query

Is there an Option that allows you to generate and XML Schema Collection in a Select Statement that will be loaded either to a table or an application.
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Hi Antonio,
The FOR XML clause
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Can I generate XML schema from a existing xml file?

Hi,
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Java code to generate XML File from XML Schema

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JAXB has been available as an early release download for some time. There are also XML Binding packages available from Borland (JBuilder) and Castor. These tools create Java classes from a source document, xml,dtd etc. You can use these classes to marshal-unmarshal XML documents.
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Hallo Retail expert,
I have following scenario,
I have Retail Store who send me their daily sales report through Wincor Nixdorf Point of sale. There i am using standard POSLOG2 to SEEBURGER(its a middleware which act as Converter) xml format and then i post that data first in POSDM and then with BAPI i transfer or book that data to SAP Retail.
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This is the Second scenario.......
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Thank you all in advance.
regards,
Niel

Hi,
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Hi I need this asap... "Java code to generate XML File from XML Schema"

Hi all....
I need this asap... "Java code to generate XML File from XML Schema i.e XML Schema Definition, XSD file".
Thankz in advance...
PS: I already posted in the afternoon... this is the second posting.

take look at :
http://sourceforge.net/projects/jaxme/
this might help...

Creating XML Schema from tables With Constraints

Greetings,
I'd have an interesting question. I finally am getting familiar with the various kinds of xml solutions provided by the oracle database, but hey here I have another interesting question I can't seem to get into life. I'm currently generating XML Schemas (XSD) from the tables of my database. Its nice its cool however I'd need to have the table's constraints with the xsd:elements also. And heres my problem, I can't seem to insert the table constrains. I'll show you what I mean:
<xsd:element name="MESSAGE_TABLE">
<xsd:complexType>
    <xsd:sequence>
      <xsd:element name="MESSAGE_RECORD">
        <xsd:complexType>
          <xsd:all>
            <xsd:element name="ID" type="xsd:integer" minOccurs="1" />
            <xsd:element name="HEADER">
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                <xsd:restriction base="xsd:string>
                  <xsd:maxLength value="255" />
                </xsd:restriction>
              </xsd:simpleType>
            </xsd:element>
          </xsd:all>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
</xsd:complexType>


<xsd:key name="PK_ID_PRIM">
    <xsd:selector xpath="." />
    <xsd:field xpath="ID" />
</xsd:key>

<xsd:keyref name="FK_HEADER_FOREIGN" refer="PK_HEADER_ID">
    <xsd:selector xpath="HEADER" />
    <xsd:field xpath="ID" />
</xsd:keyref>

<xsd:unique name="UQ_..." ... />
</xsd:unique>
</xsd:element>That would fit my business needs, however I may be so blind that I can't see the forest from the tree. Currently I got so far that:
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              xmlAttributes
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              xmlElement
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                xmlAttributes
                  target_table                            as "name"
                xmlElement
                  "xsd:complexType",
                  xmlElement
                    "xsd:sequence",
                    xmlElement
                      "xsd:element",
                      xmlAttributes
                        target_table || '_RECORD'         as "name",
                        'unbounded'                       as "maxOccurs"
                      xmlElement
                        "xsd:complexType",
                        xmlElement
                          "xsd:sequence",
                            xmlAgg(ELEMENT)
                xmlElement
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            )As you can see this won't be good since I have put a single xml element in there. I guess I'd need something more like an xmlAgg(CONSTRAINTS), however in that case I'm wondering how will the select's FROM part look like.
FROM
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              THEN
                xmlElement
                  "xsd:element",
                  xmlattributes
                    column_name as "name",
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                  xmlElement
                    "xsd:simpleType",
                    xmlElement
                      "xsd:restriction",
                      xmlAttributes
                        'xsd:string' as "base"
                      xmlElement
                        "xsd:maxLength",
                        xmlAttributes
                          DATA_LENGTH as "value"
              WHEN data_type = 'DATE'
              THEN
                xmlElement
                  "xsd:element",
                  xmlattributes
                    column_name as "name",
                    'xsd:date' as "type",
                    decode(NULLABLE, 'Y', 0, 1) as "minOccurs"
              WHEN data_type = 'NUMBER'
              THEN
                xmlElement
                  "xsd:element",
                  xmlattributes
                    column_name as "name",
                    decode(DATA_SCALE, 0, 'xsd:integer', 'xsd:double') as "type",
                    decode(NULLABLE, 'Y', 0, 1) as "minOccurs"
              ELSE
                xmlElement
                  "xsd:element",
                  xmlattributes
                    column_name as "name",
                    'xsd:anySimpleType' as "type",
                    decode(NULLABLE, 'Y', 0, 1) as "minOccurs"
    end ELEMENT
    FROM user_tab_cols c
    WHERE TABLE_NAME = target_table
    ORDER BY internal_column_id
GROUP BY TABLE_NAME;Thank you very much for all your help!
Regards,
Joey
Edited by: Wrath#87 on 2012.09.05. 22:15

Thanks for that, answer. That helped me a lot managing primary constraints. However I still have problems managing foreign keys. I come up with the following formula:
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              "xsd:schema",
              xmlAttributes
                  'http://www.w3.org/2001/XMLSchema'      as "xmlns:xsd"
              xmlElement
                  "xsd:element",
                  xmlAttributes
                      upper(target_table) as "name"
                  xmlElement
                      "xsd:complexType",
                      xmlElement
                        "xsd:all",
                            xmlAgg(ELEMENT)
                      SELECT    xmlElement
                                  "xsd:key",
                                  xmlattributes
                                    uc.constraint_name as "name"
                                  xmlElement
                                    "xsd:selector",
                                    xmlattributes
                                      '.' as "xpath"
                                  xmlAgg
                                    xmlElement
                                      "xsd:field",
                                      xmlattributes
                                        ucc.column_name as "xpath"
                                    order by ucc.position
                      FROM      user_constraints uc
                                JOIN      user_cons_columns ucc
                                ON        ucc.constraint_name   =   uc.constraint_name
                      WHERE     uc.table_name                   =   upper(target_table)
                      AND       uc.constraint_type              =   'P'
                      GROUP BY uc.constraint_name
                      SELECT    xmlElement
                                    "xsd:keyRef",
                                    xmlattributes
                                        a.constraint_name as "name"
                                    xmlElement
                                        "xsd:selector",
                                        xmlattributes
                                            c.table_name as "xpath"
                                    xmlAgg
                                        xmlElement
                                            "xsd:field",
                                            xmlattributes
                                                d.column_name as "xpath"
                                        order by c.table_name
                      FROM      all_constraints   a,
                                all_cons_columns b,
                                all_constraints   c,
                                all_cons_columns d
                      WHERE     a.constraint_name   =   b.constraint_name
                      AND       a.constraint_name   =   c.r_constraint_name
                      AND       c.constraint_name   =   d.constraint_name
                      AND       a.table_name        =   upper(target_table)
          )This gives me the following error message: 00937. 00000 - "not a single-group group function"

Unable to Generate XML Schema

Hi all,
           When i add a sales order it's giving an error like "Couldn't Generate XML schema"....can anybody pls give me some suggestions....i have tried all the possibilities but unable to rectify this error...
<?xml version="1.0"?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">
<env:Body>
<env:Fault>
<env:Code>
<env:Value>env:Receiver</env:Value>
<env:Subcode>
<env:Value>-2053</env:Value>
</env:Subcode>
</env:Code>
<env:Reason>
<env:Text xml:lang="en">Could not Generate XML Schema</env:Text>
</env:Reason>
<env:Detail>
<Object>oDocuments</Object>
<Object>oDocuments</Object>
<ObjectIndex>1</ObjectIndex>
<Command>AddObject</Command>
<SessionID>2789C3B9-2E34-EC45-4F44-9E5F224CF30D</SessionID>
</env:Detail>
</env:Fault>
</env:Body>
</env:Envelope>
My coding for adding a sales order is given below:--
Private Sub btnClick_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClick.Click
        Dim oQuotationXml As Xml.XmlElement
        Dim oBpCode As Xml.XmlNodeList
        Dim oDocNo As Xml.XmlNodeList
        Dim oItemCode As Xml.XmlNode
        Dim oDocDate As Xml.XmlNode
        Dim oItemQuantity As Xml.XmlNode
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        oItemCode.InnerText = "A00006"
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        DIS.AddSalesOrder(SessionID, oQuotationXml.OuterXml)
regards,
shangai.

Hi Mohan,
I am facing a similar issue in creating XML from IDOC for MATMAS05, can you tell me how you fixed the issue? I am unable to follow your above comment about started with '\' in root? Can you tell me where was this please?
Thanks.
Manish

Creating xml schema from database attributes

Hi,
I am trying to generate dynamic xml schemas from a java program.
Please suggest me some solutions.
The scenario is like this.
The input to the java program is a table[oracle] name
and based on that table's column headers, i need to define and
create the xml schema dynamically.
The purpose is that at a later point of time, i may
need to copy the content of the database to xml files.
Please reply with your suggestions.
Thanks in advance,
Dilip

XML Schema itself is a well formed XML document. You can write a small utility class which can do this for you by using any XML API available in Java.
Thanks,
Tejas

Can you generate XML schema from XMLDB?

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