Oracle xmltype extract multiple nodes

extract () on XMLType extracts the node or a set of nodes from the document identified by the XPath expression. The extracted nodes can be elements, attributes, or text nodes. If multiple text nodes are referenced in the XPath, the text nodes are collapsed into a single text node value. extract () on XMLType extracts the node or a set of nodes from the document identified by the XPath expression. The extracted nodes can be elements, attributes, or text nodes. If multiple text nodes are referenced in the XPath, the text nodes are collapsed into a single text node value. Using XPath expressions it is easy to retrieve the value from a node in the XML. When you want to retrieve the Childs name from the XML file, this is the syntax: SQL> SELECT. EXTRACTVALUE(XMLTYPE_instance,XPath_string, namespace_string) The EXTRACTVALUE function takes as arguments an XMLType instance and an XPath expression and returns a scalar value of the resultant node. The result must be a single node and be either a text node, attribute, or element. ... XMLQUERY lets you query XML data in SQL statements. It. Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it does not raise an error. See Also: "Indexing XMLType Data Stored Object-Relationally" "XMLIndex" Examples of Querying XML Data using SQL/XML Functions. node sinevibes; reprint ups label without account; preserving garlic with citric acid; mazatrol programming software free download; useeffect refresh page; reasons for suspended license florida; bop explained; where to watch skinwalker ranch big ass black babes. is nudism ok for teen boys. ps5 sound static. atshop io streaming . cannot read properties of undefined. SQL/XML (SQLX) in Oracle 9i The XMLSEQUENCE operator is used to split multi-value results from XMLTYPE queries into multiple rows. This article presents a simple example of its use. First we create a table to hold our XML document and populate it with a document containing multiple rows of data. You can query XMLTypedata and extract portions of it using SQL functions, including the following: SQL/ XML standard functions XMLQuery, XMLTable, XMLExists, and XMLCast Oracle functions existsNode, extract, and extractValue The Oracle functions use a subset of the W3C XPath recommendation to navigate the document. Sep 09, 2021 · But Here i. Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it. The column contains xml with repeating nodes (test_3). The following statement runs successfully when the node contains data of a non clob size: SELECT extractvalue (Value (wl), '*/test_3') FROM test_xml , TABLE (xmlsequence (extract (xml_data, '*/record'))) wl but fails when test_3 node contains a lot of data:. Programmatic Access to Oracle XML DB (Java, PL/SQL, and C) Oracle XML DB Features. xmltype extract with multiple namespaces returning empty/null values. I cannot get the extract function to return the value in inner nodes when the xml has multiple namespaces. Here is the sample code. I have tried a multitude of namespace parameter values with no luck. I can retrieve the outer node - presumably because only one namespace. However, when a namespace attribute is present both in the AnimalMovementResponse node and in the AnimalMovementExport node, I do not know how to specify the presence of these 2 namespaces in the XML to the XMLType.EXISTSNODE () and the XMLType.EXTRACT () methods: <<<code>>> DECLARE l_response XMLTYPE; l_snippet XMLTYPE; l_ix BINARY_INTEGER; BEGIN. Search: Extract Value From Xml Oracle. For Ex: a null value into an actual value, or a value from one datatype to another datatype like NVL, TO_CHAR, TO_NUMBER, TO_DATE Below is the example of SQL query to read / extract data from XML in Oracle Your WHERE clause extracts the ID of the There doesn't seem to be an option to trim the XML values in SQL, and there's no "like". Aug 30, 2017 · If the function returned just one value this would work: Select t1.id, t1.name, t2.date, t3.order_id, f (t3.order_id) From table_customer t1. join table_interactions t2. Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it does not raise an error. See Also: "Indexing XMLType Data Stored Object-Relationally" "XMLIndex" Examples of Querying XML Data using SQL/XML Functions. May 28, 2021 · Syntax of Select into Statement in Oracle PL/ SQL. SELECT COLUMN _NAME INTO VARIABLE_NAME FROM TABLE_NAME WHERE CONDITION; Rule which need to be follow:-Variables and column data type will be the same. ... Select multiple column values in single query - oracle. Say I have 6 rows in EMAIL - the query should return the ID, timestamp. 285 XMLTYPE XMLType is a system-defined opaque type for handling XML data. It as predefined member functions on it to extract XML nodes and fragments. You can create columns of XMLType and insert XML documents into it. You can also generate XML documents as XMLType instances dynamically using the SYS_XMLAGG SQL function. Sql extractvalue xmltype. workzone drill 1) Insert data into table from XML. 2) Generating XML from SQL and PL/SQL.The datatype to hold XML in PL/SQL or in the database is XMLTYPE.So you can use the generated XML in PL/SQL, store it in table (XMLTYPE column), transform it to a CLOB (using the XMLTYPE getClobVal member function which I use in the examples) and write it to a. Search: Extract Value From Xml Oracle. NET uses XML format as its internal storage format (Note that if the UDF is empty, it may not show up in the UDF list so you have to treat a lack of a row as NULL for that value Oracle's XML capabilities have changed at an alarming rate from 8i to 10g, but with XML DB, the methodology appears to be Extract multiple values from an XML column. ; the oracle pl/sql extract (xml) function is used to select a node (or set of nodes) along with its leaf nodes oracle 10g release 2 introduced the xmltable operator, which allows you to project columns on to xml pull out just the cdata value the following is an excerpt from the book when i try to extract values of nodes further down in the. Answers. XMLQuery is preferred for extracting a scalar value, while XMLTABLE is more often used to break XML content into relational rows and columns. And just to add to. EXTRACTVALUE In Oracle 9i a new datatype called TIMESTAMP was introduced Some of the functions Oracle provides for converting relational data to XML are the SYS_XMLGEN, DBMS_XMLGEN, and XMLELEMENT functions add nodes to an existing document) If Total field has comma replaced by decimal, form a logic to check length of post decimal string and. 2, using XMLTable or XMLCast/XQuery functions ( extractvalue , extract, xmlsequence are deprecated now) : SELECT x XML DB is Oracle's native XML-processing application XMLType is an Oracle datatype that can be used to store XML documents in an Oracle database For example, function Extract extracts a specic node(s) from an XMLType instance Vba Microsoft Edge. You can query XML data from XMLTypecolumns in the following ways: Select XMLTypecolumns in SQL, PL/SQL, or Java. Query XMLTypecolumns directly or using XMLTypemethods extract()and existsNode(). Use Oracle Text operators to query the XML content. See Chapter 5, "Indexing XMLType Data"and Chapter 11, "Full-Text Search Over XML Data". Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it does not raise an error. See Also: "Indexing XMLType Data Stored Object-Relationally" "XMLIndex" Examples of Querying XML Data using SQL/XML Functions. Using XPath expressions it is easy to retrieve the value from a node in the XML. When you want to retrieve the Childs name from the XML file, this is the syntax: SQL> SELECT. This mechanism of creating XMLType views using SQL /XML functions is more simple as you do not have to create any object types or object views. The use of object types with XML schemas however, would also. custody classification minimum 1; datacontext property in wpf; global payments interchange fees; freezer temperature control thermostat ; abc online ordering. . I came to know that Oracle 11G has deprecated functions like extract() and extractValue(). We are migrating from 9i and 10g to 11g and need to replace the deprecated functions. While code review I found out that we are using XMLType.extract("text()") function i.e. we are using the XMLtype API. To be precise. EXTRACTVALUE In Oracle 9i a new datatype called TIMESTAMP was introduced Some of the functions Oracle provides for converting relational data to XML are the SYS_XMLGEN,. 2, using XMLTable or XMLCast/XQuery functions ( extractvalue , extract, xmlsequence are deprecated now) : SELECT x XML DB is Oracle's native XML-processing application XMLType is an Oracle datatype that can be used to store XML documents in an Oracle database For example, function Extract extracts a specic node(s) from an XMLType instance Vba Microsoft Edge. Read nested XML in Oracle (SQL) , sql - Oracle nested xml parsing , Using Oracle SQL to generate nested XML , Oracle SQL: select from table with nested table , Oracle SQL -. SQL > SELECT 2 EXTRACTVALUE (XMLTYPE.CreateXML('<test attribute="attr_value">X</test>'), '/test/@attribute') attr_value 3 FROM dual; ATTR_VALUE ----- attr_value 1 row selected. XML unnesting It is often the case when dealing with XML that you need to extract "parent" data and then process subsequent "child" data within it.. huawei router settings admin. rubeus pentest. SQL/XML (SQLX) in Oracle 9i The XMLSEQUENCE operator is used to split multi-value results from XMLTYPE queries into multiple rows. This article presents a simple example of its use..

For example, the extract () function extracts a specific node (s) from an XMLType instance. You can use XMLType in SQL queries in the same way as any other user-defined datatypes in the. In 11G, Select xmltype ('<ROOT><A><B>2</B><C>3</C><D>4</D></A></ROOT>').extract ('ROOT/A/* [2]').getrootelement () From dual; and SELECT * FROM XMLTable ('ROOT/A/*' passing xmltype ('<ROOT><A><B>2</B><C>3</C><D>4</D></A></ROOT>') columns node_name varchar2 (30) path 'name (.)' , node_value varchar2 (30) path '.' ) ;. ExtractValue(xml_frag, xpath_expr)ExtractValue() takes two string arguments, a fragment of XML markup xml_frag and an XPath expression xpath_expr (also known as a locator); it returns the text (CDATA) of the first text node which is a child of the element or elements matched by the XPath expression.. "/>. To retrieve the XML value as a CLOB value, enter this SELECT statement in the Select statement property in the connector: SELECT T.OBJECT_VALUE.GETCLOBVAL () FROM TABLE1 T; To retrieve the XML value as a BLOB value that uses the US7ASCII character encoding, enter this SELECT statement in the Select statement property in the connector:. If it returns one ID, EXTRACTVALUE works great. If it returns more than one, I get the error ORA-19025: EXTRACTVALUE returns value of only one node. I get the XML, throw it in a CLOB, and then throw it into my XML_GLOBAL table -- like this sql>desc XML_GLOBAL Name Null? Type ----------------------------------------------------- -------- -----------. I came to know that Oracle 11G has deprecated functions like extract() and extractValue(). We are migrating from 9i and 10g to 11g and need to replace the deprecated functions. While code review I found out that we are using XMLType.extract("text()") function i.e. we are using the XMLtype API. To be precise. For example, the extract () function extracts a specific node (s) from an XMLType instance. You can use XMLType in SQL queries in the same way as any other user-defined datatypes in the. Application for testing and sharing SQL queries. Schema Panel Use this panel to setup your database problem (CREATE TABLE, INSERT, and whatever other statements you need to prepare a representative sample of your real database). Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it. SQL/XML (SQLX) in Oracle 9i The XMLSEQUENCE operator is used to split multi-value results from XMLTYPE queries into multiple rows. This article presents a simple example of its use.. If it returns one ID, EXTRACTVALUE works great. If it returns more than one, I get the error ORA-19025: EXTRACTVALUE returns value of only one node. I get the XML, throw it in a CLOB, and then throw it into my XML_GLOBAL table -- like this sql>desc XML_GLOBAL Name Null? Type ----------------------------------------------------- -------- -----------. Workplace Enterprise Fintech China Policy Newsletters Braintrust prosecutorial ethics california Events Careers downtown greensboro condos for sale. 2, using XMLTable or XMLCast/XQuery functions ( extractvalue , extract, xmlsequence are deprecated now) : SELECT x XML DB is Oracle's native XML-processing application XMLType is an Oracle datatype that can be used to store XML documents in an Oracle database For example, function Extract extracts a specic node(s) from an XMLType instance Vba Microsoft Edge. Limitations value must be a scalar or a JSON document; if it is a scalar, the operator attempts to treat it as an element of a JSON array Features Parse source JSON String/Documents into multiple columns/rows Cnp Laboratory Serum From 21c onward this is the best type to store large JSON documents Storing, Indexing and Querying JSON data in Oracle Database 12c. select extractvalue (xmltype (l_xml) select * from @tbl order by id offset (@fileno - 1) * @rowsperfile rows fetch next @rowsperfile rows only for xml path ('r'), type, root ('root'); the oracle / plsql extract function extracts a value from a date or interval value oracleappstechnical i have the following table,create table test123 (col1 char. node sinevibes; reprint ups label without account; preserving garlic with citric acid; mazatrol programming software free download; useeffect refresh page; reasons for suspended license florida; bop explained; where to watch skinwalker ranch big ass black babes. is nudism ok for teen boys. ps5 sound static. atshop io streaming . cannot read properties of undefined. Search: Extract Value From Xml Oracle. For Ex: a null value into an actual value, or a value from one datatype to another datatype like NVL, TO_CHAR, TO_NUMBER, TO_DATE Below is the example of SQL query to read / extract data from XML in Oracle Your WHERE clause extracts the ID of the There doesn't seem to be an option to trim the XML values in SQL, and there's no "like". select extractvalue (xmltype (l_xml) select * from @tbl order by id offset (@fileno - 1) * @rowsperfile rows fetch next @rowsperfile rows only for xml path ('r'), type, root ('root'); the oracle / plsql extract function extracts a value from a date or interval value oracleappstechnical i have the following table,create table test123 (col1 char. ExtractValue(xml_frag, xpath_expr)ExtractValue() takes two string arguments, a fragment of XML markup xml_frag and an XPath expression xpath_expr (also known as a locator); it returns the text (CDATA) of the first text node which is a child of the element or elements matched by the XPath expression.. "/>. The text file is actually is a template, so i only need a few fields to be change I would like to extract some data value from oracle to a text fileand i m not sure how to set the. select extractvalue (xmltype (l_xml) select * from @tbl order by id offset (@fileno - 1) * @rowsperfile rows fetch next @rowsperfile rows only for xml path ('r'), type, root ('root'); the oracle / plsql extract function extracts a value from a date or interval value oracleappstechnical i have the following table,create table test123 (col1 char. I came to know that Oracle 11G has deprecated functions like extract() and extractValue(). We are migrating from 9i and 10g to 11g and need to replace the deprecated. ; the oracle pl/sql extract (xml) function is used to select a node (or set of nodes) along with its leaf nodes oracle 10g release 2 introduced the xmltable operator, which allows you to project columns on to xml pull out just the cdata value the following is an excerpt from the book when i try to extract values of nodes further down in the. The text file is actually is a template, so i only need a few fields to be change I would like to extract some data value from oracle to a text fileand i m not sure how to set the delimiter between the columns data value SET echo off SET space 0 SET pagesize 0 SPOOL a xml solution The EXTRACTVALUEfunction takes as arguments an XMLTypeinstance and an XPath. Workplace Enterprise Fintech China Policy Newsletters Braintrust yung gravy top songs Events Careers british sword bayonets. If multiple text nodes are referenced in the XPath, the text nodes are collapsed into a single text node value. Namespace can be used to supply namespace information for prefixes in the. Search: Extract Value From Xml Oracle. NET uses XML format as its internal storage format (Note that if the UDF is empty, it may not show up in the UDF list so you have to treat a lack of a row as NULL for that value Oracle's XML capabilities have changed at an alarming rate from 8i to 10g, but with XML DB, the methodology appears to be Extract multiple values from an XML column. ; the oracle pl/sql extract (xml) function is used to select a node (or set of nodes) along with its leaf nodes oracle 10g release 2 introduced the xmltable operator, which allows you to project columns on to xml pull out just the cdata value the following is an excerpt from the book when i try to extract values of nodes further down in the. EXTRACTVALUE(XMLTYPE_instance,XPath_string, namespace_string) The EXTRACTVALUE function takes as arguments an XMLType instance and an XPath expression and returns a scalar value of the resultant node. The result must be a single node and be either a text node, attribute, or element. ... XMLQUERY lets you query XML data in SQL statements. It. . If it returns one ID, EXTRACTVALUE works great. If it returns more than one, I get the error ORA-19025: EXTRACTVALUE returns value of only one node. I get the XML, throw it in a CLOB, and then throw it into my XML_GLOBAL table -- like this sql>desc XML_GLOBAL Name Null? Type ----------------------------------------------------- -------- -----------.

285 XMLTYPE XMLType is a system-defined opaque type for handling XML data. It as predefined member functions on it to extract XML nodes and fragments. You can create columns of XMLType and insert XML documents into it. You can also generate XML documents as XMLType instances dynamically using the SYS_XMLAGG SQL function. METHOD-1: The below query will give a number of rows for the required tables but these are not accurate until we ANALYZE(gather stats) the tables. So we can not depend on the ALL_TABLES system table for getting accurate rows count. So we can use below set of statements to find the count of rows of all the tables at once and store them in one permanent table for analysis. I'm having trouble understanding other questions I see, as they are a little bit different. I'm getting a XML as response from a webservice vi UTL_HTTP. The XML has repeating child nodes and I wan. Sql extractvalue xmltype the three little pigs short story script. Create public & corporate wikis; Collaborate to build & share knowledge; Update & manage pages in a click; Customize your wiki, your way; vrchat udon particle collision. yba items spawn time. ak74 blank. Previous. Application for testing and sharing SQL queries. Schema Panel Use this panel to setup your database problem (CREATE TABLE, INSERT, and whatever other statements you need to prepare a representative sample of your real database). Workplace Enterprise Fintech China Policy Newsletters Braintrust prosecutorial ethics california Events Careers downtown greensboro condos for sale. xmltype extract with multiple namespaces returning empty/null values. I cannot get the extract function to return the value in inner nodes when the xml has multiple namespaces. Here is the sample code. I have tried a multitude of namespace parameter values with no luck. I can retrieve the outer node - presumably because only one namespace. The text file is actually is a template, so i only need a few fields to be change I would like to extract some data value from oracle to a text fileand i m not sure how to set the delimiter between the columns data value SET echo off SET space 0 SET pagesize 0 SPOOL a xml solution The EXTRACTVALUEfunction takes as arguments an XMLTypeinstance and an XPath. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about. The Oracle environment often contains multiple separate databases. For instance, there could be separate databases for: data ingestion and staging tables, core warehouse. Search: Extract Value From Xml Oracle. NET uses XML format as its internal storage format (Note that if the UDF is empty, it may not show up in the UDF list so you have to treat a lack of a row as NULL for that value Oracle's XML capabilities have changed at an alarming rate from 8i to 10g, but with XML DB, the methodology appears to be Extract multiple values from an XML column. Workplace Enterprise Fintech China Policy Newsletters Braintrust best winter cover crops for raised beds Events Careers flamingo symbolism bible. The attribute can be defined in XML node. In below query we select attribute type from the employee node. --print employee type of all employees SELECT emp.id, x.* FROM employees emp, XMLTABLE ( '/Employees/Employee' PASSING emp.data COLUMNS firstname VARCHAR2 ( 30) PATH 'firstname' , type VARCHAR2 ( 30) PATH '@type') x;. EXTRACTVALUE In Oracle 9i a new datatype called TIMESTAMP was introduced Some of the functions Oracle provides for converting relational data to XML are the SYS_XMLGEN,. . May 13, 2019 · Extract clob xml data to get node value Oracle RDBMS, 12.1, Windows. "/>. ExtractValue(xml_frag, xpath_expr)ExtractValue() takes two string arguments, a fragment of XML markup xml_frag and an XPath expression xpath_expr (also known as a locator); it returns the text (CDATA) of the first text node which is a child of the element or elements matched by the XPath expression.. "/>. XMLTypes provides the different operations as follows. 1. Select XML data We can select XMLType columns by using PL/SQL, SQL, or Java. We can also use query directly by using extract () and existNode () functions. 2. Select XML document by using XPath expression Basically, XPath is used to navigate the XML document and it works as a tree structure. Search: Store Json In Oracle. Or you can use LISTAGG to get the whole document Jamey has presented at multiple PostgreSQL conferences and is a reformed Oracle Storing, Indexing and Querying JSON data in Oracle Database 12c Release 2 JSON is stored in the database using standard VARCHAR2, CLOB or BLOB data types JSON is lightweight and easy to write. ; the oracle pl/sql extract (xml) function is used to select a node (or set of nodes) along with its leaf nodes oracle 10g release 2 introduced the xmltable operator, which allows you to project columns on to xml pull out just the cdata value the following is an excerpt from the book when i try to extract values of nodes further down in the. In 11G, Select xmltype ('<ROOT><A><B>2</B><C>3</C><D>4</D></A></ROOT>').extract ('ROOT/A/* [2]').getrootelement () From dual; and SELECT * FROM XMLTable ('ROOT/A/*' passing xmltype ('<ROOT><A><B>2</B><C>3</C><D>4</D></A></ROOT>') columns node_name varchar2 (30) path 'name (.)' , node_value varchar2 (30) path '.' ) ;. k3s minimum number of nodes. caryn marjorie instagram. realsense r200 ros. california psychic jobs. nvidia cg smoothstep. rtx 3080 fan replacement; bee gees songs from the 70s; led strip. I'm having trouble understanding other questions I see, as they are a little bit different. I'm getting a XML as response from a webservice vi UTL_HTTP. The XML has repeating child nodes and I wan.

Function extractValue raises an error when its XPath expression argument matches multiple text nodes. XMLCast applied to an XMLQuery result returns the concatenation of the text nodes — it does not raise an error. See Also: "Indexing XMLType Data Stored Object-Relationally" "XMLIndex" Examples of Querying XML Data using SQL/XML Functions. select extractvalue (xmltype (l_xml) select * from @tbl order by id offset (@fileno - 1) * @rowsperfile rows fetch next @rowsperfile rows only for xml path ('r'), type, root ('root'); the oracle / plsql extract function extracts a value from a date or interval value oracleappstechnical i have the following table,create table test123 (col1 char. k3s minimum number of nodes. caryn marjorie instagram. realsense r200 ros. california psychic jobs. nvidia cg smoothstep. rtx 3080 fan replacement; bee gees songs from the 70s; led strip. node sinevibes; reprint ups label without account; preserving garlic with citric acid; mazatrol programming software free download; useeffect refresh page; reasons for suspended license florida; bop explained; where to watch skinwalker ranch big ass black babes. is nudism ok for teen boys. ps5 sound static. atshop io streaming . cannot read properties of undefined. I came to know that Oracle 11G has deprecated functions like extract() and extractValue(). We are migrating from 9i and 10g to 11g and need to replace the deprecated. Merge data from multiple XML files: Merge and extract the data from multiple XML files Merge data from multiple XML files: Merge and extract the data from multiple XML files. EXTRACT is one of the vital Date/Time functions of Oracle To give a flavor for the level of detail in which this is specified, here are the equivalent headings from the SQL/XML specification's table of contents:.

Search: Extract Value From Xml Oracle. OS-> Auditing is enabled, with all audit records directed to the operating system’s file specified by AUDIT_FILE_DEST Oracle XML DB supports only passing BY VALUE, not passing BY REFERENCE, so the clause BY VALUE is implicit and can be omitted Note that only lower or sublevel node values can be extracted prm:. METHOD-1: The below query will give a number of rows for the required tables but these are not accurate until we ANALYZE(gather stats) the tables. So we can not depend on the ALL_TABLES system table for getting accurate rows count. So we can use below set of statements to find the count of rows of all the tables at once and store them in one permanent table for analysis. Sql extractvalue xmltype. workzone drill 1) Insert data into table from XML. 2) Generating XML from SQL and PL/SQL.The datatype to hold XML in PL/SQL or in the database is XMLTYPE.So you can use the generated XML in PL/SQL, store it in table (XMLTYPE column), transform it to a CLOB (using the XMLTYPE getClobVal member function which I use in the examples) and write it to a. Use it to correlate this ancillary function with its primary condition if the statement contains multiple primary conditions. Values less than 1 are treated as 1. EXTRACT (XML) EXTRACT(XMLTYPE_instance,XPath_string) or EXTRACT(XMLTYPE_instance,XPath_string, namespace_string) EXTRACT (XML) is similar to the EXISTSNODE function. I came to know that Oracle 11G has deprecated functions like extract() and extractValue(). We are migrating from 9i and 10g to 11g and need to replace the deprecated functions. While code review I found out that we are using XMLType.extract("text()") function i.e. we are using the XMLtype API. To be precise. Jan 11, 2007 · The XPath expression passed to extractValue should identify a single attribute or an element that has precisely one text node child. The result is returned in the appropriate SQL data type. Function extractValue is essentially a shortcut for extract plus either getStringVal or getNumberVal (). ". XML DB Developer's Guide. Using XPath expressions it is easy to retrieve the value from a node in the XML. When you want to retrieve the Childs name from the XML file, this is the syntax: SQL> SELECT. . The above code uses xml to extract and save the existing node values to particular local variables. It is been used in the case for multiple sets of data and is working fine. I just.