考虑到下面给出的一个表设计,如何最好地查询以下内容
*奖金
食客
FolkID (PK) MotherID (FK to folkid) FatherID (FK to folkid) Name Gender
必须有人构建familytree应用程序吗?
<Persons> <Person ID="1" Name="Minu eesnimi" Surname="Minu perekonnanimi" Picture="0" Sex="M"> <Event Name="Birth" Prefix="" Location="Tallinn" Date="14.01.1963"><![CDATA["Ilusal jaanuarihommikul"]]> </Event> <Event Name="Death" Prefix="" Location="" Date=""/> <Father ID="2" Type="Päris"/> <Mother ID="3" Type="Päris"/> <Spouse ID="4"/> </Person> ...
String XPath=“child::*/child::Person[child::Father[@ID=\”“+String(ID) 等