Maximum Length of Element Names - 10.2

While defining of an XML schema in Oracle 10.2, is there any maximum limit on the number of characters that may be in an element's name? I've seen some write-ups mention 'recommendations' of 30 or 35 for earlier versions, but nothing that says there's a definite limit in v.10.2. I need to know because I have an assignment where I might need tags containing more than 35 characters. Thanks.

Hi
I already saw "long" names (don't remember exactly how much, but at least 80-100 characters...) for elements. The recommendation of 30 is probably due to the mapping of elements to object types. In fact the length of an identifier in an object type can be at most 30 characters.
HTH
Chris

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Maximum length of member name in mapping

Hi Experts,
I am trying to migrate live data from Essbase to HFM version 11.1.1.3 using FDM. Maximum length of the member name of source accounts in Essbase that I have to load is upto 74 characters. What is the maximum permitted length of member names in FDM to be used in mappings?
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TIMESTAMP                                          VARCHAR2(19)
STATUS                                             VARCHAR2(7)
TEMPORARY                                          VARCHAR2(1)
GENERATED                                          VARCHAR2(1)
SECONDARY                                          VARCHAR2(1)

ORA-30951: Element or attribute at Xpath /AC//Doc[@] exceeds maximum length

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>
pkv wrote:
> Hi All,
>
> How to set the maximum length of texedit element to a some constant characters.setting col and row property to 10 and 2 didnot set max length to 40.setting width and height also didnt helped to limit the characters user can enter to 20.
>
> Thanks,
> pkv
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| ---------------- | ------------ | ------ | -------- | ------ |
| SCHEMANAME       | CHAR UNICODE | 32     | YES      |        |
| OWNER            | CHAR UNICODE | 32     | YES      |        |
| TABLENAME        | CHAR UNICODE | 32     | YES      |        |
| COLUMNNAME       | CHAR UNICODE | 32     | YES      |        |
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| ------------------ | ------------ | ------ | -------- | ------ |
| SCHEMANAME         | CHAR UNICODE | 32     | YES      |        |
| OWNER              | CHAR UNICODE | 32     | YES      |        |
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how to resolve it and how to track where it is occuring.
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str_sqlstring contains xml in string format.
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Thanks for your time Marco.
Here is the header:
<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xdb="http://xmlns.oracle.com/xdb" elementFormDefault="qualified" attributeFormDefault="unqualified" xdb:storeVarrayAsTable="true" xdb:mapStringToNCHAR="true" xdb:mapUnboundedStringToLob="true">
I made the following change -
<xs:element name="Data" xdb:maintainDOM="false" xdb:SQLName="LOB_DATA" xdb:SQLType="CLOB"/>
I received this error -
ORA-31094: incompatible SQL type "CLOB" for attribute or element "Data"
ORA-06512: at "XML_TEST.XML_TEST_SCHEMA_REGISTER", line 48
I did a little more testing after the first post. I used the same type as an element that is defining image data.
<xs:element name="Data" type="xs:base64Binary" xdb:maintainDOM="false" xdb:SQLName="LOB_DATA" xdb:SQLType="BLOB"/>
While this did register and I was able to load a record, I am guessing that this will render the data for this element usless but at least the record loads. I'll still need to resolve this issue as the .pdf data is important.
Thanks
Joe

XSU - Mapping element names that exceed max length for oracle identifiers

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2) Is it possible to skip an element in the mapping while loading an XML? e.g.
The XML is like:
<Heroes>
<Name>Superman</Name>
<Profession>Superhero</Profession>
<Alias>Clark Kent</Alias>
<Hometown>Smallville</Hometown>
</Heroes>
and I don't want to load the Alias element. To put it in another way, the Alias element may or may not be appearing in the XML.
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Sohail
Edited by: sohail.muhammad on Sep 1, 2010 12:27 AM

Apply an XSLT to omit an element.
http://www.devx.com/xml/Article/32046

Lax validation errors on schema import ('version' exceeds maximum length)

I have a schema as per below. I'm trying to import it into Oracle 10.2.0.2.0. However, I'm getting the following lax validation error:
Error loading ora_business_rule.xsd:ORA-30951: Element or attribute at Xpath /schema[@version] exceeds maximum length
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<?xml version="1.0" encoding="UTF-8"?>
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Opps -- Sorry it's a decision we took when looking at Version
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Name                                      Null?    Type
SCHEMA_URL                                         VARCHAR2(700)
TARGET_NAMESPACE                                   VARCHAR2(2000)
VERSION                                            VARCHAR2(12)
NUM_PROPS                                          NUMBER(38)
FINAL_DEFAULT                                      XDB.XDB$DERIVATIONCHOICE
BLOCK_DEFAULT                                      XDB.XDB$DERIVATIONCHOICE
ELEMENT_FORM_DFLT                                  XDB.XDB$FORMCHOICE
ATTRIBUTE_FORM_DFLT                                XDB.XDB$FORMCHOICE
ELEMENTS                                           XDB.XDB$XMLTYPE_REF_LIST_T
SIMPLE_TYPE                                        XDB.XDB$XMLTYPE_REF_LIST_T
COMPLEX_TYPES                                      XDB.XDB$XMLTYPE_REF_LIST_T
ATTRIBUTES                                         XDB.XDB$XMLTYPE_REF_LIST_T
IMPORTS                                            XDB.XDB$IMPORT_LIST_T
INCLUDES                                           XDB.XDB$INCLUDE_LIST_T
FLAGS                                              RAW(4)
SYS_XDBPD$                                         XDB.XDB$RAW_LIST_T
ANNOTATIONS                                        XDB.XDB$ANNOTATION_LIST_T
MAP_TO_NCHAR                                       RAW(1)
MAP_TO_LOB                                         RAW(1)
GROUPS                                             XDB.XDB$XMLTYPE_REF_LIST_T
ATTRGROUPS                                         XDB.XDB$XMLTYPE_REF_LIST_T
ID                                                 VARCHAR2(256)
VARRAY_AS_TAB                                      RAW(1)
SCHEMA_OWNER                                       VARCHAR2(30)
NOTATIONS                                          XDB.XDB$NOTATION_LIST_T
LANG                                               VARCHAR2(4000)
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XML data value exceeds maximum length - ORA-30951

Hello,
I am receiving ORA-30951: Element or attribute at Xpath /dataroot/Respondent[1]/Response[3]/Value exceeds maximum length error during the XML load.
I have registered the schema and it works fine when the Value is less than 64k but fails if its greater. I tried changing the type of Value to type="xsd:base64Binary" xdb:maintainDOM="false" xdb:SQLName="LOB_DATA" xdb:SQLType="BLOB" but then I get ORA-00932: inconsistent datatypes error.
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Thanks
Here is my schema.
var SCHEMAURL varchar2(256)
var XMLSCHEMA CLOB
set define off
begin
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Thanks for the quick response. I am not able to modify the source file, but will it be possible to set the value to NULL if it exceeds the max length instead of failure?
Thanks

ORA-30951: ...exceeds maximum length

Oracle Database 10g Release 10.2.0.1.0 - Production
I am new to XML and having a problem importing data using the XML Repository. I have annotated the schema and validated it using XML Spy. I am able to register the schema w/o errors. I am now working through the issues as they occur during the insertion of xml documents. Thes section below is giving me an error (bottom) that the data exceeds the maximum length. The "DATA" in the xml doc is a pdf file that has been converted to characters by some method. The size element has a data value of 5008. Seems to be too long for a varchar2. I tried RAW, CLOB, BLOB. I was pretty sure they wouldn't work and they didn't. I get an error that the xml/xdb types are incompatible.
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ftp> mput *
mput Smyth_Steven_1386367.XML? y
227 Entering Passive Mode (127,0,0,1,83,221)
150 ASCII Data Connection
550- Error Response
ORA-30951: Element or attribute at Xpath /Provider/NpdbReportList/NpdbReport[1]/LOB/Data exceeds maximum length
550 End Error Response
28706 bytes sent in 0.014 seconds (1.9e+03 Kbytes/s)
ftp>

Thanks for your time Marco.
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<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xdb="http://xmlns.oracle.com/xdb" elementFormDefault="qualified" attributeFormDefault="unqualified" xdb:storeVarrayAsTable="true" xdb:mapStringToNCHAR="true" xdb:mapUnboundedStringToLob="true">
I made the following change -
<xs:element name="Data" xdb:maintainDOM="false" xdb:SQLName="LOB_DATA" xdb:SQLType="CLOB"/>
I received this error -
ORA-31094: incompatible SQL type "CLOB" for attribute or element "Data"
ORA-06512: at "XML_TEST.XML_TEST_SCHEMA_REGISTER", line 48
I did a little more testing after the first post. I used the same type as an element that is defining image data.
<xs:element name="Data" type="xs:base64Binary" xdb:maintainDOM="false" xdb:SQLName="LOB_DATA" xdb:SQLType="BLOB"/>
While this did register and I was able to load a record, I am guessing that this will render the data for this element usless but at least the record loads. I'll still need to resolve this issue as the .pdf data is important.
Thanks
Joe

Maximum length for an XML schema

Hi everybody,
Is there a limit on the maximum length for an XML schema? I am trying to register an XML schema using dbms_xmlschema.registerSchema(). The schema registration process seems to go fine when the length of the schema is short. But the registration process always hangs when I increase the XML schema with additional types/elements. Is there a limit on the maximum length of the XML schema with regards to registering it to Oracle?
Thanks!
IK

Hi Erhan,
Let's say I have a really big XML schema in file "schemaA.xsd", like so:
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sampleA="http://abc.com/schemaA" targetNamespace="http://abc.com/schemaA">
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<xsd:element name="Contact" type="sampleA:ContactInfoType"/>
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<xsd:complexType name="ContactInfoType">....</xsd:complexType>
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I can separate this schema into multiple smaller schemas (<32KB) by using the proper imports:
In file "sampleA.xsd":
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xmlns:sampleA="http://abc.com/schemaA" targetNamespace="http://abc.com/schemaA">
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<xsd:element name="Contact" type="sampleB:ContactInfoType"/>
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And in file "sampleB.xsd", I might have something like this:
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<xsd:complexType name="AddressType">......</xsd:complexType>
<xsd:complexType name="ContactInfoType">....</xsd:complexType>
</xsd:schema>
So, you see how I have separated that one really big XML schema in file "schemaA.xsd" into two XML schema files: "schemaA.xsd" and "schemaB.xsd". Also, I have added <import> tags in schemaA.xsd to refer to elements, complext types, etc. defined in schemaB.xsd. So long as these schema files are < 32KB, I can register them (using dbms_xmlschema.registerSchema()) without any problems into Oracle.
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Thanks!
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Maximum Length of Element Names - 10.2

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