sql.txt

基于xml的数据库管理系统

createtable t1  
(
  c1,c2
);


insert into t1 ("v1","v2");


delete from t1 where c1="v1" and c2="v2"; 


update t1 set c1="v3"  
where c2="v2";


select c1,c2 from t1 where c1="v1" and c2="v2";