<xs:group name="session_management">
  <xs:annotation>
    <xs:documentation xml:lang="en">Session management.this group is used for documentation only, not used in XML file.</xs:documentation>
  </xs:annotation>
  <xs:all>
    <xs:element ref="set_session_characteristics_statement"/>
    <xs:element ref="set_session_user_identifier_statement"/>
    <xs:element ref="set_role_statement"/>
    <xs:element ref="set_local_time_zone_statement"/>
    <xs:element ref="set_catalog_statement"/>
    <xs:element ref="set_schema_statement"/>
    <xs:element ref="set_names_statement"/>
    <xs:element ref="set_path_statement"/>
    <xs:element ref="set_transform_group_statement"/>
    <xs:element ref="set_session_collation_statement"/>
  </xs:all>
</xs:group>