<column_definition xmlns="http://www.sqlparser.com/xml/ansi2003">
  <column_name>{1,1}</column_name>
  <data_type_or_domain_name>{0,1}</data_type_or_domain_name>
  <default_clause_identity_column_specification_generation_clause>{0,1}</default_clause_identity_column_specification_generation_clause>
  <column_constraint_definition_list>{0,1}</column_constraint_definition_list>
  <collate_clause>{1,1}</collate_clause>
</column_definition>

<xs:element name="column_definition">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="column_name"/>
      <xs:element ref="data_type_or_domain_name" minOccurs="0"/>
      <xs:element name="default_clause_identity_column_specification_generation_clause" minOccurs="0">
        <xs:complexType>
          <xs:choice>
            <xs:element ref="default_clause"/>
            <xs:element ref="identity_column_specification"/>
            <xs:element ref="generation_clause"/>
          </xs:choice>
        </xs:complexType>
      </xs:element>
      <xs:element name="column_constraint_definition_list" minOccurs="0">
        <xs:complexType>
          <xs:sequence>
            <xs:element ref="column_constraint_definition" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element ref="collate_clause"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<default_clause_identity_column_specification_generation_clause xmlns="http://www.sqlparser.com/xml/ansi2003">
  <default_clause>{1,1}</default_clause>
  <identity_column_specification>{1,1}</identity_column_specification>
  <generation_clause>{1,1}</generation_clause>
</default_clause_identity_column_specification_generation_clause>

<xs:element name="default_clause_identity_column_specification_generation_clause" minOccurs="0">
  <xs:complexType>
    <xs:choice>
      <xs:element ref="default_clause"/>
      <xs:element ref="identity_column_specification"/>
      <xs:element ref="generation_clause"/>
    </xs:choice>
  </xs:complexType>
</xs:element>

<column_constraint_definition_list xmlns="http://www.sqlparser.com/xml/ansi2003">
  <column_constraint_definition>{1,unbounded}</column_constraint_definition>
</column_constraint_definition_list>

<xs:element name="column_constraint_definition_list" minOccurs="0">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="column_constraint_definition" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>