A.createfunction函数名(参数)returnstablebeginreturn查询语句end
B.createfunction函数名(参数)returns数据类型beginreturm变量/值;end
C.createfunction函数名(参数)retumtablebeginretum查询语句;end
D.createfunction函数名(参数)returm数据类型beginretum变量/值;end
A.inseekg(ios::beg);
B.inseekg(5,ios::end);
C.in.seekg(5);
D.in.seekg(-5);