Why does multiset.end() return a different value when compared to vector.end(). int main(){ multiset<int>v={1,2,3,4,5,6,7,8}; cout<<*v.end()<<endl; return 0; } In case o...

Given this schema: create table a (id int); create table b (id int, a_id int, c_id int); create table c (id int); insert into a values (1); insert into a values (2); insert into b values (1, 1, 1); i...

I'm playing around with what's possible in Informix related to collection derived tables and nested collections. Given this schema: create table t (i int); create table u (i int, j int); insert into ...

Given this schema: create table t (i int); create table u (i int, j int); insert into t values (1); insert into t values (2); insert into u values (1, 10); insert into u values (2, 20); The followin...