Oracle Parse Xml Attribute

Oracle XML : Skip Not exist Node How does one parse XML files? 1054. Note that PL/SQL allows BOOLEAN variables, even though Oracle does not support BOOLEAN as a type for database columns. The Oracle XML parser includes the standard DOM APIs and complies with the W3C DOM recommendation. All other applications are. The outline nodes in the tree used attributes for the group names and podcast properties. Besides database development, it is a handy-tool for database documentation and data dictionary. This is a blog for Oracle ERP lovers. Can I have an example on how to parse XML file in Oracle Forms 6i? Are there an existing package to load data form XML file into the Oracle tables?. Since most applications still rely on structured relational data it is necessary to explode the non-structured XML data into relations tables. I have seen the function extractValue to extract the value of an item from an XML data, but I haven't see how to extract the value of a certain attribute. XML-Over-HTTP (REST Web Services) From PL/SQL. In this case, Excel doesn't infer a schema, and you can't use an XML Map. Firstly you need to create a virtual directory, and assign permissions to users on that directory. soc -s myfile. XMLPrintDriver class as follows (see Example 4):. You have UTC -02:00 in your time part and when time is converted to local time your date ends up to be day before. You want to read a simple "In. useNullAttributeIndicator( ctx IN ctxHandle,. Oracle is an active participant in the XML Query Working Group. XML attributes must be specified after the start tag of an element or after the tag name of an empty element. if there is an attribute: 5. We use DBMS_XMLSave. The XML DOM (Document Object Model) defines the properties and methods for accessing and editing XML. XML Tutorials. With OSB you can easy transform a formatted flat file to a xml. Since most applications still rely on structured relational data it is necessary to explode the non-structured XML data into relations tables. For this example, I will be parsing XML data into a temp table, then inserting that data in to a table. Oracle XML DB support for the XQuery language is provided through a native implementation of SQL/XML functions XMLQuery and XMLTable. XMLType - integration with Oracle XML DB •XDK-C is integrated to work with OCI (Oracle Call Interface) and Oracle XML DB - With Oracle XML DB user can make use of •Advanced XML Storage, processing and query capabilities •XML Query (XQuery), XPath, XSLT •Security, scalability and other enterprise features of Oracle RDBMS. Oracle XML parser problem. 5 but available for older versions, also see the fast xml. )Источник данных это CLOB. Since most applications still rely on structured relational data it is necessary to explode the non-structured XML data into relations tables. In this post let's talk about schemaLocation and xsi:schemaLocation attributes usage and their significance which are being used by XML schema. The XML Query selects directly from the EMP and DEPT tables. The only other site I found on Google wasnt as good as this one, thanks. Does anybody know a simple SQL (or package) function to extract the value of an atribute from an XML. Cause: An invalid extensible security application namespace attribute was specified. It is also well-known that XMLAttributes() does not generate anything when passed an expression that evaluates to NULL :. Hi , I need to to parse an xml document and get the values of some tags using pl/sql in oracle 10g. I changed the functions from extractvalue(xml, xpath_expression) to extract_value(xpath_expression, xml) and existsnode(xml, xpath_expression) to node_exists(xpath_expression, xml) to keep it consistant with the postgres conventions and the fn signature of xpath. In HTML, the element defines a hyperlink. Lets get started with Oracle XMLTable function. This function accepts n number of parameters, out of which its first parameter constructs the name of the XML tag and the rest of its parameters constructs the content of the XML element as shown below,. SQL/XML is an emerging part of the ANSI and ISO SQL standard, describing the ways the Database Language SQL can be used in conjunction with XML. 0 (July 2004 draft), implemented in C++, with interfaces for Java, Python, Perl and PHP. XMLType - integration with Oracle XML DB •XDK-C is integrated to work with OCI (Oracle Call Interface) and Oracle XML DB - With Oracle XML DB user can make use of •Advanced XML Storage, processing and query capabilities •XML Query (XQuery), XPath, XSLT •Security, scalability and other enterprise features of Oracle RDBMS. 10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a. However, we may find we have a database that stores XML directly in a CLOB/NCLOB. The CSV ("Comma Separated Value") file format is often used to exchange data between disparate applications. Using Database Access Descriptors (DADs) you can access XML data directly from the database, or via a HTTP server, with relatively. The Oracle PL/SQL EXTRACT(XML) function is used to select a node (or set of nodes) along with its leaf nodes. The library used in this page is jaxp, Java API for XML Processing, version 1. But, when it comes to separating the. Explore XML syntax rules, learn how to write well formed XML documents, adjust XML attributes, validate XML documents and XML programming with java. 4 Standard Edition // OS RedHat I am trying to create a function index on a large table, based on using an XML object. This will enable XML DB to correctly define the CREATED attribute as a DATE in the object type it creates. NET XML is a platform independent language, so the information formatted in XML can be used in any other platforms (Operating Systems). The ones given here are required because it's based on an SGML parser and these options switch it to XML mode and suppress the normal output, leaving just the errors (if any). employee_id, e. XMLTABLE : Query XML Data From SQL; Parse XML Documents in Oracle 8i; The use of XML for data transfer has increased dramatically over the last few years. will i be able to convert the oracle data to xml and vice-versa(i. removeAttribute(attributeName, namespace) Boolean: Removes the attribute for this Element node with the given name and namespace, if such an attribute exists. Schemas can be registered as global or local schemas. Oracle XML DOM parser - attribute values are not printing on the screen ?? 398398 Dec 19, 2005 3:12 AM Hi Everyone, I am just trying to use oracle DOM parser to paerse one of my xml file, java file can be compiled and run agianst a xml file, But I cannot see any attribute values printing on the screen. NET Framework Forums on Bytes. The only other site I found on Google wasnt as good as this one, thanks. XMLParserCover. useNullAttributeIndicator( ctx IN ctxHandle,. "Recommendation" is the final step in the W3C process; the status means that the document is done, frozen, agreed-upon and official. This module provides ways to parse XML documents. With OSB you can easy transform a formatted flat file to a xml. Oracle XML DB provides a number of options for automatically generating default database objects and Java classes as part of the schema registration process. Try to use elements to describe data. To Read Data from XML File using in Microsoft Excel, you need to follow the steps below: Create the object of "Microsoft XML Parser" ) (Microsoft. 0 is still under development by the W3C standards body. Set attribute value in tranformation: 7. [Commercial]. The definition of SQL/XML is driven in part by the SQLX Group. StAX Parser Example. XQuery is a querying language designed specifically to work with XML data stores using a SQL-like syntax. How to Extract clob XML attribute name list from oracle. Here is the simple code I used to do the metrics. Book Description. In this case, it is essential that the variable have the same type as the relation column. Working with XML in Oracle DB can be tricky if you are not familiar with the possibilities and right syntaxes. 03/30/2017; 6 minutes to read +2; In this article. As of July 2003, XQuery 1. Nevertheless, you will be amazed to find out how many beginner ADF practitioners are struggling with basic concepts and sample code. Schemas can be registered as global or local schemas. 6 and earlier, if register_globals is enabled and magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary PHP code via a URL in the plugins array parameter. On top of this, Anthony Tuininga, the principal developer of cx_Oracle, has added a wide set of properties and methods that expose Oracle-specific features to developers. The XML DOM (Document Object Model) defines the properties and methods for accessing and editing XML. Using Database Access Descriptors (DADs) you can access XML data directly from the database, or via a HTTP server, with relatively. If value_expr is an object type or collection, then the AS clause is mandatory, and Oracle uses the specified c_alias as the enclosing tag. oh, right now I got another problem since I was able to open web-ADI and create a document, I encountered this problem ' oracle. 2, Thunderbird before 3. XML Attributes for Metadata. etree package (new in Python 2. 4 Standard Edition // OS RedHat I am trying to create a function index on a large table, based on using an XML object. How to Parse XML Data with Python From URL May 31, 2016 May 23, 2016 allison Programming , Python I wrote a Python script to pull data from every board game on BoardGameGeek and put it into a SQLite database. The outline nodes in the tree used attributes for the group names and podcast properties. XML DB related features. As a developer, I am very much fond of OOPS and its implementation in C#. 0 comes bundled with a rich set of tools to work with various XML documents such as XML Schema, WSDL, BPEL, XSLT, CSS, DTD and XML instance documents. Generally this function works as expected but it gave me a hard time when XML namespaces came into play. Oracle XML parser problem. Also, you can use the XMLTABLE function to make the structure a bit easier/clearer. In this page you can check the validity of your XML Schema (XSD) file. I need to be able to loop through all of these "actor" nodes INCLUDING the "actor" portion with its "id" attribute. As indicated in the diagram, the physical layout of an XML document consists. Oracle Solaris 11 is a complete, integrated, and open platform engineered for large-scale enterprise environments. XMLParseException: Start of root element expected' when I tried to upload the spreadsheet. These XML snapshot files can serve as XML payloads for an external web-service to consume this data. John Warner. employee_id, e. It is efficient. Change your Program. The ones given here are required because it's based on an SGML parser and these options switch it to XML mode and suppress the normal output, leaving just the errors (if any). The columns clause defines the name and datatype of the columns that are returned. Description: The attribute specifies the process variable to save the return value of a camunda:expression. Let's now have a look into the PL/SQL Object Types for JSON parsing, introduced in Oracle Database 12. How to parse the incoming XML string in Oracle stored procedure and how to Loop through the XML?. 6 and earlier, if register_globals is enabled and magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary PHP code via a URL in the plugins array parameter. Change the Value of an Attribute. Oracle XMLTYPE attribute type can be mapped to a W3C Document type representation. com), is aimed at the newly indoctrinated Oracle. xml Or Any Oracle XML File Is Correct XML-20125: (Fatal Error) Attribute value should start with quote. select node by attribute value: 6. Note When you want to use the less-than symbol in an xsl:if element's test attribute, remember to use the entity reference "<". In that case the text is the data and that data is modified (optionally) by the modifier specified as an attribute. Uploading and parsing XML data is a common task for network-connected apps. When using a rule, all "customer" records included within that rule will be added to the Java Usage Tracker (JUT) record (if JUT is enabled). dbms_xmlgen. Demo Tables: CREATE TABLE person_data (person_id NUMBER(3), person_data XMLTYPE);. Open source. c in KDM in KDE Software Compilation (SC) 2. I would like query this table and make use of Oracles xmltype function and extract the value of a specific XML-Tag. You must apply the Oracle® Hyperion Enterprise Performance Management Workspace, Fusion Edition 11. I want to match up the nodes from file1 with an xml:id value in file2. Here is my tag XML : I want to get the value equal to freereference (= attribute of byname) How to get XML tag attribute in a PL/SQL package from oracle. Unicode Transformation Format 8-bit is a variable-width encoding that can represent every character in the Unicode character set. 03/30/2017; 6 minutes to read +2; In this article. c in cupsd in CUPS before 1. In HTML, the element defines a hyperlink. For example, SQL function extract returns NULL if its XPath-expression argument targets no nodes, and the updating SQL functions, such as deleteXML, return the input XML data unchanged. Alternatively, I can use the same mechanism to create file-system based daily backups of my data in a defined XML format. Working with XML in Oracle DB can be tricky if you are not familiar with the possibilities and right syntaxes. VisualBasic ' The XmlRoot attribute allows you to set an alternate name ' (PurchaseOrder) for the XML element and its namespace. Extract XML from CLOB tips Oracle Database Tips by Donald BurlesonJuly 18, 2015 Question: I have a CLOB that is storing XML, and I need to know the procedure for extracting the XML from the CLOB data type. attribute omitted: 8. For onsgmls: $ onsgmls -wxml -wundefined -cxml. xml (a TEI file). You have UTC -02:00 in your time part and when time is converted to local time your date ends up to be day before. Error parsing xml files - Help urgently needed. The actual < character in the test attribute value (or in any attribute value) makes the stylesheet an ill-formed XML document, so the XML parser will choke on it and not pass it along to the XSLT processor. The SRC attribute provides additional information about the element. For this article, I’ll be using the Forms XML schema and show how to do some interesting things with conformant documents. When we talk about OOPS, most of us are quite comfortable to play with custom object (user defined object) and transport them across different application layer. As indicated in the diagram, the physical layout of an XML document consists. We recommend XmlPullParser, which is an efficient and maintainable way to parse XML on Android. But, when it comes to separating the. This will enable XML DB to correctly define the CREATED attribute as a DATE in the object type it creates. Netbeans 6. Imports System Imports System. Parsing XML with SAX Simple API for XML (SAX) is a standard interface for event-based XML parsing. Scripts in AWK are often one-liners. This section contains the following topics: Overview of the Parser API for C. An XML database is a data persistence software system that allows data to be specified, and sometimes stored, in XML format. Parse XML to get node value in bash script? a modern Python, etc), or you can't parse XML correctly. The most obvious example of this is when XML represents text and an attribute is added which specifies the font of the text. Using XML in C# in the simplest way. Re: extract attribute values from this xml 511890 Jun 20, 2006 11:51 PM ( in response to mdrake-Oracle ) perfect. The XML data is opened as read-only in Excel so that you don't accidentally save your original source file in the Excel Macro-Enabled Workbook file format (. List the attribute names and values: 4. Using Oracle SN’s hub-based model, each trading partner can configure its preferred transaction standards, identifiers, and delivery methods. This can be done using the setAttribute() method or setting the nodeValue property of the attribute node. Error parsing xml files - Help urgently needed. In this HTML example SRC is an attribute to the IMG element. Each element must be fully closed, unlike HTML. We use DBMS_XMLSave. XMLELEMENT function is used for constructing XML elements from the table data or a PL/SQL variable. XQuery is a querying language designed specifically to work with XML data stores using a SQL-like syntax. Oracle Berkeley DB XML 2. I want to have the XML attributes (empid, empname, empproj, emporg) as columns of VIEW person_master_view for table. This article gives some simple examples of validating XML documents against a XML Schema (XSD) in an Oracle database. XML schema (XSD) Overview. It is possible to instruct the XML parser to supply the root element with the 'preserve' value for the 'xml:space' attribute, if no value is explicitly specified for it. In the following example, an XML instance is stored in a variable of xml type. After a bit of research, I've figured out how to parse xml using Oracle9i. Alternatively, I can use the same mechanism to create file-system based daily backups of my data in a defined XML format. So I have done stuff such as: CREATE INDEX oracle index oracle-11g-r2 index-tuning xml. Oracle XML Developer's Kit. If an XML element is of type "xs:date" and contains a string like "Hello World", the element will not validate. While not as common as it used to be, it is still used in services like RSS and SOAP, as well as for structuring files like Microsoft Office documents. XQuery is a querying language designed specifically to work with XML data stores using a SQL-like syntax. Oracle treats the data set that is returned from the inline view as if it were a table. The value is then assigned to an int variable. Set attribute value in tranformation: 7. 1) An attacker can read an arbitrary file on a server by sending a correct XML request with a crafted DTD and reading the response from the service. ; Источник данных это текст (varchar2,. However, before an XML document can be accessed, it must be loaded into an XML DOM object. The datatype to hold XML in PL/SQL or in the database is XMLTYPE. Click Use the XML Source task pane. For this article, I’ll be using the Forms XML schema and show how to do some interesting things with conformant documents. Oracle is an active participant in the XML Query Working Group. Write a program that creates a SAX parser and then uses that parser to parse the XML document. Design, Develop, and Deploying Your Applications Page 1 of 11 Paper # 214 XML AND ORACLE: A HOW-TO GUIDE FOR PL/SQL USERS Eashwar Iyer, Quovera What's the best way of exchanging data between different sources without worrying about how the receiver will use. XML Tutorials. SAX (Simple API for XML) is an event-driven online algorithm for parsing XML documents, with an API developed by the XML-DEV mailing list. These IDs can be used to identify XML elements in much the same way as the id attribute in HTML. In this case, it is essential that the variable have the same type as the relation column. Hi, I need to load (on a daily basis) various xml files into an oracle 10g database. I changed the functions from extractvalue(xml, xpath_expression) to extract_value(xpath_expression, xml) and existsnode(xml, xpath_expression) to node_exists(xpath_expression, xml) to keep it consistant with the postgres conventions and the fn signature of xpath. To learn more about creating web-based content in your Android app, see Web apps. SQL/XML Tutorial: SQL/XML, XQuery, and Native XML Programming Languages XML Pipeline Server™ is the highly scalable server platform that automates data conversion, validation, transformations, report and document generation from/to a variety of data sources. Oracle Berkeley DB XML 2. XML stands for eXtensible Markup Language. XML Namespaces by Example. Unicode Transformation Format 8-bit is a variable-width encoding that can represent every character in the Unicode character set. Conceptually, the XmlReader provides a forward-only parsing object for the underlying XML files. Escaping XML Data. Column/expression/alias names are converted to tags within each ROW sequence and the entire resultset of repeating ROWs is enclosed within ROWSET tags. StAX Parser Example. This rich and detailed look at the many Oracle tools that support XML development shows Java and PL/SQL developers how to combine the power of XML and XSLT with the speed, functionality, and reliability of the Oracle database. In this second part I'll show you how you can generate XML from table data in PL/SQL. If you are a DBA or a developer new to the implementation of XML in Oracle, this article is for you: you will get an overview of SQL and XML interoperability and learn how to begin working with XML documents stored in an Oracle 10g Release 2 database, and about the many features of Oracle Database 10g Release 2 that DBAs and developers should become comfortable with before beginning to work. Then, using the Input type field, choose whether you want to use a text string as an input or a file. The definition of SQL/XML is driven in part by the SQLX Group. And check an XML against your Schema. 0 remains consistent for all client libraries conforming to the specification. An XML schema, commonly known as an XML Schema Definition (XSD), formally describes what a given XML document can contain, in the same way that a database schema describes the data that can be contained in a database (i. Attributes can be used to control the XML serialization of an object or to create an alternate XML stream from the same set of classes. Elements can have attributes associated with them. Error parsing xml files - Help urgently needed. Here is the simple code I used to do the metrics. The remaining subprojects directly under the supervision of the XML PMC are: Crimson - A Java XML parser derived from the Sun Project X Parser. You have UTC -02:00 in your time part and when time is converted to local time your date ends up to be day before. We generally use a user defined function to do this, which you have probably found in many places that splits the string based on the delimiter passed. Many of the examples from Parsing XML Documents worked with an OPML file listing podcasts and their feeds. The Oracle Supplier Network (Oracle SN) enables the exchange of electronic XML messages between Oracle Application customers and their trading partners. For some reason, SSIS's XML Data source does not allow you to directly access root level attributes. The solution is to escape the control characters so that the parser can interpret them correctly as data, and not confuse them for markup. As a developer, I am very much fond of OOPS and its implementation in C#. The streamed information can come from a variety of sources, such as a byte stream from a server, a file, or a TextReader class. And check an XML against your Schema. This function must contain one or more attributes in a comma separated list and name of the attribute will be the column name or the variable name used in the comma separated list respectively. I want to match up the nodes from file1 with an xml:id value in file2. Data Reading. How to use attributes to provide additional information about elements. For the optional value_expr that follows the XML_attributes_clause in the diagram: If value_expr is a scalar expression, then you can omit the AS clause, and Oracle uses the column name as the element name. Since most applications still rely on structured relational data it is necessary to explode the non-structured XML data into relations tables. We also notify exam candidates by email, so please confirm your most current contact information is listed in your Oracle Profile. if there is an attribute: 5. Note that PL/SQL allows BOOLEAN variables, even though Oracle does not support BOOLEAN as a type for database columns. Demo Tables: CREATE TABLE person_data (person_id NUMBER(3), person_data XMLTYPE);. 4 does not perform the expected nsIContentPolicy checks during loading of content by XML documents, which allows attackers to bypass intended. Unicode Transformation Format 8-bit is a variable-width encoding that can represent every character in the Unicode character set. Attribute gives more information about XML elements. Источник данных XML это файл. XML stands for eXtensible Markup Language. XML-Over-HTTP (REST Web Services) From PL/SQL. This function accepts n number of parameters, out of which its first parameter constructs the name of the XML tag and the rest of its parameters constructs the content of the XML element as shown below,. people to read and suggest ways to improve this blog. Using XML in C# in the simplest way. These XML snapshot files can serve as XML payloads for an external web-service to consume this data. First, I will discuss XML. The columns clause defines the name and datatype of the columns that are returned. This one-liner implementation searches for Student tags and then displays the contents of their Name attribute. So, how can we generate an empty attribute using SQL? Following are a compilation of “tricks” (more than official methods) to generate empty XML attributes, and empty namespace declarations in a SQL context. 0 (July 2004 draft), implemented in C++, with interfaces for Java, Python, Perl and PHP. 1 respectively. INSERTXML which inserts XML in the form of CLOB into the table. XML attributes must be specified after the start tag of an element or after the tag name of an empty element. Alternatively, I can use the same mechanism to create file-system based daily backups of my data in a defined XML format. We’re seeing a lot of projects tackle big complex problems but few seem to have taken into consideration and in particular reasons to adopt. For this article, I’ll be using the Forms XML schema and show how to do some interesting things with conformant documents. Manage the Exception Site List. thank you very much. Parse XML Documents. This rich and detailed look at the many Oracle tools that support XML development shows Java and PL/SQL developers how to combine the power of XML and XSLT with the speed, functionality, and reliability of the Oracle database. attribute omitted: 8. This data can be queried, transformed, exported and returned to a calling system. XML in relation to Oracle Apps. differ Class XMLDiff. xml (a TEI file). But there is no "XML file" in this section! Thus unfortunately SSIS does not have a "buit-in" way to export data from database tables to a XML file. But that does not work for xml. On top of this, Anthony Tuininga, the principal developer of cx_Oracle, has added a wide set of properties and methods that expose Oracle-specific features to developers. If value_expr is an object type or collection, then the AS clause is mandatory, and Oracle uses the specified c_alias as the enclosing tag. Oracle DB and XML are just two of the many technologies that can be used within ODI to do data transformations. The Oracle PL/SQL EXTRACT(XML) function is used to select a node (or set of nodes) along with its leaf nodes. This function must contain one or more attributes in a comma separated list and name of the attribute will be the column name or the variable name used in the comma separated list respectively. Another way of accomplishing this is by using the Oracle XML Developer's Kits, specifically the XML SQL Utility. The outline nodes in the tree used attributes for the group names and podcast properties. The dbms_xmldom and dbms_xmlparser packages are two of the many API packages used to access and manage XMLType data. Convert XML to JSON with JavaScript to work with the JSON format instead of the XML format. XPath Introduction XPath Nodes XPath Syntax XPath Axes XPath Operators XPath Examples XSLT Tutorial XSLT Introduction XSL Languages XSLT Transform XSLT XSLT XSLT XSLT XSLT XSLT XSLT Apply XSLT on the Client XSLT on the Server XSLT Edit XML XSLT Examples XQuery Tutorial. There are lot of articles talking about how to read a physical XML file and insert into Oracle database. XML schema (XSD) Overview. Therefore, we've got to use a XML Task and variables in order to pull this data in. cElementTree and the independent implementation lxml) event-driven XML parsers: ElementTree's iterparse() - a fast and easy-to-use event-driven parser with a high-level XML tree interface. For indenting newly inserted nodes besides attributes see setNewNodeIndentIncr() SAXException - caused when parsing xml document. xml services xml wsdl xml soap xml rdf xml rss References DOM Node Types DOM Node DOM NodeList DOM NamedNodeMap DOM Document DOM Element DOM Attribute DOM Text DOM CDATA DOM Comment DOM XMLHttpRequest DOM Parser XSLT Elements XSLT/XPath Functions. Parse XML Documents in Oracle 9i The use of XML for data transfer has increased dramatically over the last few years. In part one of "Generating XML from SQL and PL/SQL", I explained how to generate XML from SQL. Oracle Berkeley DB XML 2. Here is a little bit different. 0, formerly Sleepycat's, an embeddable native XML database with support for XQuery 1. How to extract or Update xml attribute values in oracle. Attribute gives more information about XML elements. Advertiser Disclosure: Some of the products that appear on this site are from companies from which QuinStreet receives compensation. Java DOM Parser - Parse XML Document - Following are the steps used while parsing a document using JDOM Parser. refer the link. xml files for this web application will use a validating parser. We use DBMS_XMLSave. Validate an XML Document Against an XML Schema (XSD) in an Oracle Database. // Oracle Version 11. Nevertheless, you will be amazed to find out how many beginner ADF practitioners are struggling with basic concepts and sample code. The outline nodes in the tree used attributes for the group names and podcast properties. Besides database development, it is a handy-tool for database documentation and data dictionary. 6 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by cpio after the decompression is complete. 5 but available for older versions, also see the fast xml. Parse XML Documents in Oracle 9i The use of XML for data transfer has increased dramatically over the last few years. I changed the functions from extractvalue(xml, xpath_expression) to extract_value(xpath_expression, xml) and existsnode(xml, xpath_expression) to node_exists(xpath_expression, xml) to keep it consistant with the postgres conventions and the fn signature of xpath. Is it a true statement that there is only one instance of an attribute for each username? If not, there is not much we can do with SQL. This function provides the attributes and values defined within an xml tag. Oracle XML DB provides a number of options for automatically generating default database objects and Java classes as part of the schema registration process. xml There are many other options for onsgmls which are described on the Web page. For normal text (not markup), there are no special characters except < and &: just make sure your XML Declaration refers to the correct encoding scheme for the language and/or writing system you want to use, and that your computer correctly stores the file using that encoding scheme. Oracle XML DB also makes it possible to create a CTXXPATH index. Oracle generates a canonical XML document from the resultset. if there is an attribute: 5.