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1. XMLCDATA Function​

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xmlcdata

1. XMLCDATA Function​

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The XMLCDATA function in H2 database is used to wrap a given string inside a CDATA section in XML format.

2. Syntax​

The syntax for the XMLCDATA function in H2 database is as follows:

XMLCDATA(string)
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Arguments​

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Arguments​

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  • string: The string that needs to be wrapped inside a CDATA section. It should be a valid string value.

Return​

  • The XMLCDATA function returns the input string wrapped inside a CDATA section in XML format.

3. Notes​

  • The XMLCDATA function in H2 database is specifically designed for generating XML content and should be used only in such scenarios.
  • The output of the XMLCDATA function will be a string enclosed within <![CDATA[ ... ]]> tags, indicating a CDATA section.
  • If the input string contains any special characters like <, >, &, etc., the XMLCDATA function will handle them properly, ensuring valid XML output.

4. Examples​

Here are a few examples demonstrating the usage of the XMLCDATA function in H2 database:

Example 1 - Wrapping a string inside a CDATA section:​

SELECT XMLCDATA('This is some <sample> text & data') AS cdata;

Output:

cdata
---------------------------------------
<![CDATA[This is some <sample> text & data]]>

Example 2 - Using XMLCDATA function in an XML query:​

SELECT XMLELEMENT(NAME "book", XMLCDATA('This is some <sample> text & data')) AS xml_data;

Output:

xml_data
-------------------------------------
<book><![CDATA[This is some <sample> text & data]]></book>
  • XMLELEMENT - Create an XML element
  • XMLATTRIBUTES - Add attributes to an XML element