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

B28286-07
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XMLCOMMENT

Syntax

Description of xmlcomment.gif follows
Description of the illustration xmlcomment.gif

Purpose

XMLComment generates an XML comment using an evaluated result of value_expr. The value_expr must resolve to a string. It cannot contain two consecutive dashes (hyphens). The value returned by the function takes the following form:

<!--string-->

If value_expr resolves to null, then the function returns null.

See Also:

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

Examples

The following example uses the DUAL table to illustrate the XMLComment syntax:

SELECT XMLCOMMENT('OrderAnalysisComp imported, reconfigured, disassembled')
   AS "XMLCOMMENT" FROM DUAL;
 
XMLCOMMENT
--------------------------------------------------------------------------------
<!--OrderAnalysisComp imported, reconfigured, disassembled-->