i just wanted to know if i can include anything related to media management in my project??

yes

class base
{ protected:
struct node{};
};
class derived :public base
{
struct node *prev;
};

when i do this i 'm getting an error that prev is not a member of base::node.

yes it's a database project

hey i'm starting with a dbms project on commonwealth games .
i want to use sql .
can anyone please suggest me with what all i can include in my project??