摘要:
--查找子节点 createtable Info ( ID char(3), PID char(3), [Name]varchar(20) ) insertinto Info select'001',null,'山东省' unionallselect'002','001','烟台市' unionallselect'004','002','招远市' unionallselect'003','001','青岛市' union 阅读全文
摘要:
--查找子节点 createtable Info ( ID char(3), PID char(3), [Name]varchar(20) ) insertinto Info select'001',null,'山东省' unionallselect'002','001','烟台市' unionallselect'004','002','招远市' unionallselect'003','001','青岛市' union 阅读全文
摘要:
createtable tb(id varchar(3) , pid varchar(3) , name varchar(10))insertinto tb values('001' , null , '广东省')insertinto tb values('002' , '001' , '广州市')insertinto tb values('003' , '001' , '深圳市')insertinto tb values('004' , '0 阅读全文
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