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2.24 QueryNullExpression

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The QueryNullExpression element specifies a null value in a data type. The QueryNullExpression element is of type QueryExpression.

Type: Specifies the data type. The Type element MUST be specified and MUST NOT be specified more than once.

The following is the XSD for the QueryNullExpression element.

   <xs:complexType name="QueryNullExpression">
     <xs:complexContent>
       <xs:extension base="QueryExpression">
         <xs:sequence>
           <xs:element name="Type" type="TypeUsage" />
         </xs:sequence>
       </xs:extension>
     </xs:complexContent>
   </xs:complexType>