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Oracle® Database SQL Language Reference
11g Release 1 (11.1)

B28286-07
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XMLCDATA

Syntax

Description of xmlcdata.gif follows
Description of the illustration xmlcdata.gif

Purpose

XMLCData generates a CDATA section by evaluating value_expr. The value_expr must resolve to a string. The value returned by the function takes the following form:

<![CDATA[string]]>

If the resulting value is not a valid XML CDATA section, then the function returns an error.The following conditions apply to XMLCData:

See Also:

Oracle XML DB Developer's Guide for more information on this function

Examples

The following statement uses the DUAL table to illustrate the syntax of XMLCData:

SELECT XMLELEMENT("PurchaseOrder",
   XMLAttributes(dummy as "pono"),
   XMLCdata('<!DOCTYPE po_dom_group [
   <!ELEMENT po_dom_group(student_name)*>
   <!ELEMENT po_purch_name (#PCDATA)>
   <!ATTLIST po_name po_no ID #REQUIRED>
   <!ATTLIST po_name trust_1 IDREF #IMPLIED>
   <!ATTLIST po_name trust_2 IDREF #IMPLIED>
   ]>')) "XMLCData" FROM DUAL;
 
XMLCData
----------------------------------------------------------
<PurchaseOrder pono="X"><![CDATA[
<!DOCTYPE po_dom_group [
   <!ELEMENT po_dom_group(student_name)*>
   <!ELEMENT po_purch_name (#PCDATA)>
   <!ATTLIST po_name po_no ID #REQUIRED>
   <!ATTLIST po_name trust_1 IDREF #IMPLIED>
   <!ATTLIST po_name trust_2 IDREF #IMPLIED>
   ]>
  ]]>
</PurchaseOrder>