Best XQuery tutorial for OSB

Hi,
I am new to OSB 11g. I want to learn XQuery and how to use it Oracle Service Bus. Any good material so I can become a good expert in XQuery ?
Thanks

maybe the tutorials on w3schools are a good start
http://www.w3schools.com/xquery/default.asp
they will teach you the basics on how to start using the xquery language with easy to understand examples

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http://download.oracle.com/docs/html/E15866_01/mapper.htm#i1385064
I have downloaded the Oracle Enterprise pack for Eclipse but still don't see XQuery Transformation option.
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Hi Sushant,
Regarding your last post..
As per as I know you can have two option..
1>either you import your wsdl/schemas into OSB Console and then use XQuert mapper over there,you will get the Xquery file.
2>Other wise you can install other XML processor tool(like Altova XML Spy ..etc.) and generate your required XQuery file and then import into your OSB project(@OSB Console).
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Deba

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you can create the graphical view of Xquery in Eclipse but not for XSLT
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http://www.oracle.com/technetwork/articles/jumpstart-for-osb-development-page--097357.html
Everything works fine. Except for the "GetAllCustomer" branch node.
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hi,
My scenario is that I have to break the data in a single tag of xml A, to populate multiple tags of xml B.I am using Xquery transformation and substring function to achieve this. The problem comes when i import the xquery resource in OSB and try to do the transformation in a proxy service it gives the following error
<con:fault xmlns:con="http://www.bea.com/wli/sb/context">
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*OSB Assign action failed updating variable "message": com.bea.wli.common.xquery.XQueryException: Error parsing XML: {err}XP0006: "element {http://schemas.xmlsoap.org/soap/envelope/}Body { {http://www.w3.org/2004/07/xpath-datatypes}untypedAny }": bad value for type element {http://www.example.org/data}data { {http://www.w3.org/2001/XMLSchema}anyType }*
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<con:pipeline>PipelinePairNode1_request</con:pipeline>
<con:stage>stage1</con:stage>
<con:path>request-pipeline</con:path>
</con:location>
</con:fault>
the configuration i have done in the proxy service is this::_
Assign: [XQuery resource..] to [message]
Delete: [.] in [body]
Insert [$message] [as first child of][.] in [body]
The Xquery resource is the .xq file that i have generated for Xquery transformation.
and i m routing this proxy service to a business service that wud take the XML and dump it to my D drive using file protocol.
Edited by: rahulc on Oct 12, 2010 12:40 AM
Edited by: rahulc on Oct 12, 2010 12:41 AM

My Xquery is this::
(:: pragma bea:global-element-parameter parameter="$data1" element="ns0:data" location="data.xsd" ::)
(:: pragma bea:global-element-return element="note" location="note.xsd" ::)
declare namespace ns0 = "http://www.example.org/data";
declare namespace xf = "http://tempuri.org/OSB_Try/tag_break/";
declare function xf:tag_break($data1 as element(ns0:data))
as element(note) {
<note>
<to>
fn:substring(data($data1),
1 ,
6)
</to>
<from>
fn:substring(data($data1),
7 ,
6)
</from>
<heading>
fn:substring(data($data1),
13 ,
6)
</heading>
<body>
fn:substring(data($data1),
19 ,
11)
</body>
</note>
declare variable $data1 as element(ns0:data) external;
xf:tag_break($data1)
and my data is this::
<?xml version="1.0"?>
<ns0:data xmlns:ns0="http://www.example.org/data">DON'T FORGET ME THIS WEEKEND!</ns0:data>
and i have tested this zquery for the above data and this is the transformation its doing::
<note>
<to>DON'T </to>
<from>FORGET</from>
<heading> ME TH</heading>
<body>IS WEEKEND!</body>
</note>
Edited by: rahulc on Oct 12, 2010 1:57 AM

Best XQuery tutorial for OSB

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