Extracting data from XML using extractValue

Given the following XML stored as xmlType in the database(table name
:opfdata) , i woiuld like to query it using extractValue,existsNode to
retrieve the title of the book (dc:Title).
i wrote the following query
select e.existsNode('/package/metadata/dc-metadata/dc-Title
unique-identifier="uid"') from opfdata e;
Gives result as 1.
But if i run change existNode to extractValue it gives me an error
daying the xpath expression is wrong.
Any ideas?
<package unique-identifier="uid"
xmlns="http://openebook.org/namespaces/oeb-package/1.0/">

<metadata>
<dc-metadata xmlns:dc="http://purl.org/dc/elements/1.0/"
xmlns:oebpackage="http://openebook.org/namespaces/oeb-package/1.0/">
<dc:Title>Midnight Come Again</dc:Title>
<dc:Subject>Shugak, Kate (Fictitious character)
Fiction.</dc:Subject>
<dc:Subject>Women private investigators -- Alaska
Fiction.</dc:Subject>
<dc:Subject>Smuggling Fiction.</dc:Subject>
<dc:Subject>Alaska Fiction.</dc:Subject>
<dc:Subject>Mystery fiction.</dc:Subject>
<dc:Identifier id="uid"
scheme="DTB">us-nls-db00010</dc:Identifier>
<dc:Creator role="aut">Dana Stabenow</dc:Creator>
<dc:Source>ISBN-0-312-20596-1</dc:Source>
<dc:Publisher>National Library Service for the Blind and
Physically
Handicapped</dc:Publisher>
<dc:Date>2002-5</dc:Date>
<dc:Format>ANSI/NISO Z39.86-2002</dc:Format>
<dc:Description>Following the death of her lover, in Hunter's
Moon (RC 49633), depressed Kate Shugak takes a job in a coastal
village as a cargo pilot. Meanwhile Alaska state trooper Jim Chopin is
sent there under cover to investigate Russian smugglers. Some explicit
descriptions of sex, some violence, and some strong language. 2000.
</dc:Description>
<dc:Language>en</dc:Language>
</dc-metadata>
</package>

Hi,
First of all what is the result of the query
select e.existsNode('/package/metadata/dc-metadata/dc-Title
unique-identifier="uid"') from opfdata e;
existsNode returns 1 if it finds the row and 0 if it doesn't find the node.
The xpath which you need to give to retrieve to retrieve the title of the book is:
'/package/metadata/dc-metadata/title'
You can refer the following link to know more about existsNode and extractValue
http://otn.oracle.com/docs/products/oracle9i/doc_library/release2/appdev.920/a96620/xdb03usg.htm#1036760
You can check the samples on XML DB which uses the different functionalities of Oracle XML DB.
http://otn.oracle.com/sample_code/tech/xml/xmldb/content.html
Check the Survey Sample which uses many features of XML DB. The sample is located at:
http://otn.oracle.com/sample_code/tech/xml/survey/content.html
and the various features used in the sample are explained in the page:
http://otn.oracle.com/sample_code/tech/xml/survey/docs/AboutOracleXMLDB.html
Regards,
Anupama
http://otn.oracle.com/sample_code/content.html

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Extracting data from XML using xmltype and extract

Hello all,
I want to write a pl/sql functions that takes a clob as an input and return a some data extracted from the data passed into it.
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I want to extract the value of new_data.
I wrote the following anonymous block to test the code :
declare
xparam xmltype;
v_xpath varchar2(500);
begin
xparam:=xmltype('<FIXML xsi:schemaLocation="http://www.finacle.com/fixml executeFinacleScript.xsd" xmlns="http://www.finacle.com/fixml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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                <ServiceRequestVersion>10.3</ServiceRequestVersion>
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                <TimeZone></TimeZone>
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            <UBUSTransaction>
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            <HostTransaction>
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but I get the following Error:
dbms_output.put_line(xparam.EXTRACT(v_xpath).GETSTRINGVAL());
end;
Error at line 1
ORA-30625: method dispatch on NULL SELF argument is disallowed
ORA-06512: at line 46
the problem is that when I remove : xmlns="http://www.finacle.com/fixml" attribute from the root node the code works correctly.
of course , I can simply use replace to remove it, but I want to know what is causing the error.
I am using oracle database 10g

Let me explain that the issue is not only related to Oracle.
If you google a bit for default namespace and Xpath you will find many topic.
Basically when you have an XML having a definition of namespace without a prefix:
i.e.:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
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</head>
<body>
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</body>
</html>
this means that all unprefixed elements are belonging to this default namespace.
In this case an Xpath equal to '//title/text()' will not get anything because it is assuming to find the element title within a null namespace. But title in this case is automatically assigned to the default namespace.
When you specify a prefix in a namespace then all elements without prefix are associated to namespace NULL. Using a default namespace is causing a lot of headache.
These links can be giving a clearer picture:
http://www.edankert.com/defaultnamespaces.html
Assuming that you have data like this:
WITH mydata AS
(   SELECT '
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
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</head>
<body>
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FROM mydata;
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SELECT xmltype (xmldata).EXTRACT ('//title/text()', 'xmlns="http://www.w3.org/1999/xhtml"').getstringval ()
FROM mydata;
Note also that you should be able to get the default namespace when it is specified (without prefix) by using:
SELECT xmltype(xmldata).getnamespace() from mydata;
Post your Oracle version to see if it something related to your version. In mine I got this:
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jun 20 18:32:58 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> WITH mydata AS
2 (   SELECT '
3 <html xmlns="http://www.w3.org/1999/xhtml">
4    <head>
5      <title>Example XHTML document</title>
6    </head>
7    <body>
8      <p>Sample content</p>
9    </body>
10 </html>' xmldata FROM DUAL
11 )
12 SELECT xmltype(xmldata).getnamespace() from mydata;
XMLTYPE(XMLDATA).GETNAMESPACE()
http://www.w3.org/1999/xhtml
SQL>
If this would work, then it would be enough to add the optional additional parameter namespace. In case it is null it will be set as xmlsn="" and it will work anyway:
Please note that it will work both if the XML has a default namespace or not
i.e.:
with default namespace:
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
SQL>
and without default namespace
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
Regards.
Al
Message was edited by: AlbertoFaenza
IF removed as it is working anyway.

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Try another website with forums about JavaScript.
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Hi Sabrina
service.sap.com can help you getting the details of your mesg.
I found one OSS note suitable to your mesg. So just check out OSS note # 671097. I hope this note will be some help to you. If not go and chk in the OSS you can find some more.
Here is the note details also
<i>Symptom
Error message RG102: 'Syntax error in &1, row &2 (-> long text)' appears in the request log of an InfoSpoke.
Reason and Prerequisites
The data source is an ODS object and the extraction mode is 'delta'. The cause of the error message is that the ODS extractor is unable to select the request ID (InfoObject 0REQUID) from the change log of the ODS object. However, the request ID is mistakenly provided in the field list of the ODS object on the InfoSpoke maintenance screen. --
Solution
Delete the 0REQUID InfoObject from the field list of the InfoSpoke and activate the InfoSpoke. As of the patch mentioned below, the request ID in the template tab is no longer provided.
BW 3.0B
Import Support Package 16 for 3.0B (BW3.0B Patch 17 or SAPKW30B16) into your BW system. The Support Package will be available once note 571699 with the short text "SAPBWNews BW 3.0B Support Package 16", which describes this Support Package in more detail, has been released for customers.
BW 3.1 Content
Import Support Package 10 for 3.1 Content (BW3.10 Patch 11 or SAPKW31010) into your BW system. The Support Package will be available once note 571747 with the short text "SAPBWNews BW 3.1 Content Support Package 10" has been released for customers.
To provide information in advance, the notes mentioned above may already be available before the Support Package is released. In this case, however, the short text still contains the words "preliminary version".
Refer to note 110934, which contains information about BW Support Packages.</i>
Regards,
Rohini

How to extract data from xml file and store that data inti data base table

Hii All
I have one table that table contains one column that column contain an XML file
I want to extract data from that XML file and want to store that extracted data into an other table.
That xml file has different different values
I want to store that values into table in diff diff columns

Hi,
I am also facing the same problem.I have a .xml file and i need to import the data into the custom table in oracle database.
Can you please let me know if you know the solution how to do it in oracle apps.
Thanks,

Facing Issue while Extracting Data from Essbase using CalcScript

Hi All,
we are getting this error while extracting data from Essbase by CalcScript using ODI.
Does anyone have the answer
org.apache.bsf.BSFException: exception from Jython:
Traceback (innermost last):
File "<string>", line 1, in ?
com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030009): Name too long (C:\NewFolder\ACAD) in ESSAPI function EssCalcFile
     at com.hyperion.odi.essbase.ODIEssbaseDataReader.getAppData(Unknown Source)
     at com.hyperion.odi.essbase.AbstractEssbaseReader.extract(Unknown Source)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java)
     at org.python.core.PyMethod.__call__(PyMethod.java)
     at org.python.core.PyObject.__call__(PyObject.java)
     at org.python.core.PyInstance.invoke(PyInstance.java)
     at org.python.pycode._pyx5046.f$0(<string>:1)
     at org.python.pycode._pyx5046.call_function(<string>)
     at org.python.core.PyTableCode.call(PyTableCode.java)
     at org.python.core.PyCode.call(PyCode.java)
     at org.python.core.Py.runCode(Py.java)
     at org.python.core.Py.exec(Py.java)
     at org.python.util.PythonInterpreter.exec(PythonInterpreter.java)
     at org.apache.bsf.engines.jython.JythonEngine.exec(JythonEngine.java:144)
     at com.sunopsis.dwg.codeinterpretor.k.a(k.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.scripting(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTaskTrt(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSqlC.treatTaskTrt(SnpSessTaskSqlC.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTask(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessStep.treatSessStep(SnpSessStep.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSession(SnpSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandSession.treatCommand(DwgCommandSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandBase.execute(DwgCommandBase.java)
     at com.sunopsis.dwg.cmd.e.k(e.java)
     at com.sunopsis.dwg.cmd.h.A(h.java)
     at com.sunopsis.dwg.cmd.e.run(e.java)
     at java.lang.Thread.run(Thread.java:595)
Caused by: com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030009): Name too long (C:\NewFolder\ACAD) in ESSAPI function EssCalcFile
     at com.hyperion.odi.essbase.wrapper.EssbaseCalcDataIterator.init(Unknown Source)
     ... 33 more
Caused by: com.essbase.api.base.EssException: Cannot calculate file. Essbase Error(1030009): Name too long (C:\NewFolder\ACAD) in ESSAPI function EssCalcFile
     at com.essbase.server.framework.EssOrbPluginDirect.ex_olap(Unknown Source)
     at com.essbase.server.framework.EssOrbPluginDirect.essMainCalcFile(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMainMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMethod2(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMethod(Unknown Source)
     at com.essbase.server.framework.EssOrbPluginDirect._invokeProtected(Unknown Source)
     at com.essbase.api.session.EssOrbPluginEmbedded.invokeMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPluginEmbedded.invokeMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin.essMainCalcFile(Unknown Source)
     at com.essbase.api.datasource.EssCube.calculate(Unknown Source)
     at com.hyperion.odi.essbase.wrapper.EssbaseApplication.executeCalculationScript(Unknown Source)
     ... 34 more
com.hyperion.odi.essbase.ODIEssbaseException: com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030009): Name too long (C:\NewFolder\ACAD) in ESSAPI function EssCalcFile
     at org.apache.bsf.engines.jython.JythonEngine.exec(JythonEngine.java:146)
     at com.sunopsis.dwg.codeinterpretor.k.a(k.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.scripting(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTaskTrt(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSqlC.treatTaskTrt(SnpSessTaskSqlC.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTask(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessStep.treatSessStep(SnpSessStep.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSession(SnpSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandSession.treatCommand(DwgCommandSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandBase.execute(DwgCommandBase.java)
     at com.sunopsis.dwg.cmd.e.k(e.java)
     at com.sunopsis.dwg.cmd.h.A(h.java)
     at com.sunopsis.dwg.cmd.e.run(e.java)
     at java.lang.Thread.run(Thread.java:595)

Hi Now i am getting this error.
org.apache.bsf.BSFException: exception from Jython:
Traceback (innermost last):
File "<string>", line 1, in ?
com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030214): User [admin] cannot access calc script: ACAD
     at com.hyperion.odi.essbase.ODIEssbaseDataReader.getAppData(Unknown Source)
     at com.hyperion.odi.essbase.AbstractEssbaseReader.extract(Unknown Source)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java)
     at org.python.core.PyMethod.__call__(PyMethod.java)
     at org.python.core.PyObject.__call__(PyObject.java)
     at org.python.core.PyInstance.invoke(PyInstance.java)
     at org.python.pycode._pyx5054.f$0(<string>:1)
     at org.python.pycode._pyx5054.call_function(<string>)
     at org.python.core.PyTableCode.call(PyTableCode.java)
     at org.python.core.PyCode.call(PyCode.java)
     at org.python.core.Py.runCode(Py.java)
     at org.python.core.Py.exec(Py.java)
     at org.python.util.PythonInterpreter.exec(PythonInterpreter.java)
     at org.apache.bsf.engines.jython.JythonEngine.exec(JythonEngine.java:144)
     at com.sunopsis.dwg.codeinterpretor.k.a(k.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.scripting(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTaskTrt(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSqlC.treatTaskTrt(SnpSessTaskSqlC.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTask(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessStep.treatSessStep(SnpSessStep.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSession(SnpSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandSession.treatCommand(DwgCommandSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandBase.execute(DwgCommandBase.java)
     at com.sunopsis.dwg.cmd.e.k(e.java)
     at com.sunopsis.dwg.cmd.h.A(h.java)
     at com.sunopsis.dwg.cmd.e.run(e.java)
     at java.lang.Thread.run(Thread.java:595)
Caused by: com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030214): User [admin] cannot access calc script: ACAD
     at com.hyperion.odi.essbase.wrapper.EssbaseCalcDataIterator.init(Unknown Source)
     ... 33 more
Caused by: com.essbase.api.base.EssException: Cannot calculate file. Essbase Error(1030214): User [admin] cannot access calc script: ACAD
     at com.essbase.server.framework.EssOrbPluginDirect.ex_olap(Unknown Source)
     at com.essbase.server.framework.EssOrbPluginDirect.essMainCalcFile(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMainMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMethod2(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin._invokeMethod(Unknown Source)
     at com.essbase.server.framework.EssOrbPluginDirect._invokeProtected(Unknown Source)
     at com.essbase.api.session.EssOrbPluginEmbedded.invokeMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPluginEmbedded.invokeMethod(Unknown Source)
     at com.essbase.api.session.EssOrbPlugin.essMainCalcFile(Unknown Source)
     at com.essbase.api.datasource.EssCube.calculate(Unknown Source)
     at com.hyperion.odi.essbase.wrapper.EssbaseApplication.executeCalculationScript(Unknown Source)
     ... 34 more
com.hyperion.odi.essbase.ODIEssbaseException: com.hyperion.odi.essbase.ODIEssbaseException: Cannot calculate file. Essbase Error(1030214): User [admin] cannot access calc script: ACAD
     at org.apache.bsf.engines.jython.JythonEngine.exec(JythonEngine.java:146)
     at com.sunopsis.dwg.codeinterpretor.k.a(k.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.scripting(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.execScriptingOrders(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTaskTrt(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSqlC.treatTaskTrt(SnpSessTaskSqlC.java)
     at com.sunopsis.dwg.dbobj.SnpSessTaskSql.treatTask(SnpSessTaskSql.java)
     at com.sunopsis.dwg.dbobj.SnpSessStep.treatSessStep(SnpSessStep.java)
     at com.sunopsis.dwg.dbobj.SnpSession.treatSession(SnpSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandSession.treatCommand(DwgCommandSession.java)
     at com.sunopsis.dwg.cmd.DwgCommandBase.execute(DwgCommandBase.java)
     at com.sunopsis.dwg.cmd.e.k(e.java)
     at com.sunopsis.dwg.cmd.h.A(h.java)
     at com.sunopsis.dwg.cmd.e.run(e.java)
     at java.lang.Thread.run(Thread.java:595)

Extract data from Essbase using APIs

Hi All
I was going through the API documentation for Essbase and data extraction from Essbase using API.
It seems APIs make use of Report script to extract data from Essbase. This would increae the overhead of writing a report script everytime you need to extract data from Essbase.
Is there any other method to extract/export whole or specific data from essbase using APIs?
How does Excel Add-in retrieves data from essbase without any report script?
Can Provider services be helpful in any way to achieve this?
Please help

Hi,
Its hard to say if there is a faster way without knowing how you're doing it now. A few questions:
- why are you using the API to get at Essbase Data, especially if you've already defined a (some) report scripts?
- if you want to use provider services, vs having to ensure all the libraries and the client are present, why not use the JAPI?
- Without seeing your code, its hard to know why you're getting out of memory errors. What are you doing with the data as you're parsing it from the report?
Grid API exists for the C API, and more noteable the JAPI, but not VB(I'm surprised the VB api still exists).
Why not just use the Java API?
Robb

Extracting data from XML using extractValue

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