Is there an equivalent of help() from Python3 in C++?

Question

SQL

There is a command in Python Is help()
there an analogue of such a command in C++?

Answer 1

SELECT reg_num, MAX( date_creation ) FROM YourTable GROUP BY reg_num

get the id of this object?

SELECT id, YourTable.reg_num, YourTable.date_creation 
  FROM YourTable INNER JOIN
    ( SELECT reg_num, MAX( date_creation ) AS MaxDate FROM YourTable GROUP BY reg_num ) AS M
      ON M.reg_num = YourTable.reg_num AND M.MaxDate = YourTable.date_creation

Answer 2

Unfortunately not, but why? You can’t describe everything there anyway ... Similar things can be found on sites, for example, ru.cppreference.com/w or en.cppreference.com (it is often more correct)