<set_time_zone_value xmlns="http://www.sqlparser.com/xml/ansi2003"> <interval_value_expression>{1,1}</interval_value_expression> <kw_local>{1,1}</kw_local> </set_time_zone_value>
<xs:element name="set_time_zone_value"> <xs:complexType> <xs:choice> <xs:element ref="interval_value_expression"/> <xs:element ref="kw_local"/> </xs:choice> </xs:complexType> </xs:element>