The XMLATRIBUTES function converts column data into attributes of the parent element. The XMLELEMENT function can also be used to group together and place a tag around existing XML fragments. SELECT XMLELEMENT("name", e.ename) AS employee In the following example, the first parameter specifies the tag name to be used and the second specifies the column that will supply the data contained within the tag. The XMLELEMENT function is the basic unit for turning column data into XML fragments. In this article I will only present those I use most frequently. The SQL/XML functions present in Oracle9i Release 2 allow nested structures to be queried in a standard way with no additionalĭatabase object definitions. This may cause administration problems as the number of database object types will increase drastically as the number of In Oracle 9i Release 1 it was necessary to use several database object types to create complex XML documents using SQL.ĬAST(MULTISET(SELECT e.empno, e.ename, e.job, e.mgr, e.hiredate, e.sal, e.comm This table shows two examples of XML ElementPath syntax that includes namespace prefixes.The example code in this article assumes you have access to the SCOTT schema. The following examples use the XML document DPNamespace.xml, which is provided for illustration after the table. To specify the data provider namespace so that the default namespace remains empty, use xmldp. Ĭustomers/Customer/Orders/Order/sales:LineItems/sales:LineItem The XML ElementPath nodes for sales:LineItems and sales:LineItem use the namespace sales. The following XML query uses the namespace sales. Use the XML Query element to specify the namespaces that are used in the XML data from the data source. Set the default value for Item to / and Recursive to 1. To run this query, you must create a new data source and set the connection string to The ListChildren method takes two parameters: Item and Recursive. The first Web service example lists the contents of the report server that uses the ListChildren method. The element path is derived from the XML document itself and is namespace-independent. Query element specifying namespaces for an element path. XML Document or embedded XML data that uses namespaces. Web service XML data from ListChildren method. The examples in the following table illustrate how to retrieve data from the Report Server Web service, an XML document, and embedded XML data. To define a query parameter, use the Parameters page of the Dataset Properties dialog box. You can specify query parameters for XML documents.įor URL requests, the query parameters are included as standard URL parameters.įor Web service requests, query parameters are passed to the Web service method. When a Web service namespace includes a forward slash ( /) character, include both the Web service method and the SOAP action so that the XML data processing extension can derive the namespace correctly.įor an embedded XML document, the XML Query defines the embedded XML data to use, includes optional namespaces, and contains an optional XML ElementPath. The XML data provider creates a Web service request that retrieves XML data to use for the report. You include the XML Query and XML ElementPath to process namespaces correctly when it is needed by the XML data from the data source.įor a Web service endpoint pointed to by a connection string URL, the XML Query defines either the Web service method, the SOAP action, or both. The value of the XML ElementPath uses the element path syntax. If it is included, it can contain an optional XML ElementPath. How you specify an XML Query or an element path depends on the type of XML data.įor an XML document, the XML Query is optional. Web service endpoints that return XML data Xml documents pointed to by a URL using http protocol You can create an XML data source for the following types of XML data: For more information about element paths, see Element Path Syntax for XML Report Data (SSRS). An element path is namespace-independent and specifies which nodes and node attributes to use from the underlying XML data with an XPath-like syntax. An XML Query starts with a tag and includes namespaces and XML elements that vary depending on the data source. Depending on the type of XML data pointed to by the data source, you create the dataset query by including an XML Query or an element path. After you define a data source, you create a query for the dataset. In Reporting Services, you can create datasets for XML data sources.
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