The union method joins the value spaces and lexical spaces of one or more datatypes to derive a new type : union « XML Schema « XML Tutorial

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XML Tutorial » XML Schema » union   3. 80. 2. The union method joins the value spaces and lexical spaces of one or more datatypes to derive a new type <!-- schema --> <xsd:element name="recipe">   <xsd:simpleType>    <xsd:union>     <xsd:simpleType>     <xsd:restriction base="decimal"/>     </xsd:simpleType>     <xsd:simpleType>      <xsd:restriction base="string"/>     </xsd:simpleType>    </xsd:union>   </xsd:simpleType> </xsd:element> <!-- instance document --> <recipe>1.5</recipe> <recipe>cups</recipe> 3. 80. union 3. 80. 1.  By declaring a , you can validate the values in your instance document against multiple types. 3. 80. 2.  The union method joins the value spaces and lexical spaces of one or more datatypes to derive a new type 3. 80. 3.  When the values of a union datatype are validated, they? validated in the order in which they? defined

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