SQL-Basics-Create-a-FUNCTION.md

For this challenge you need to create a basic Increment function which Increments on the age field of the peoples table. The function should be called increment, it needs to take 1 integer and increment that number by 1.

You may query the people table while testing but the query must only contain the function on your final submit.

important: you must remove all comments when submitting the kata.

people table schema

• id
• name
• age

CREATE FUNCTION increment(i integer)  
  returns integer
  language plpgsql
as
$$
begin
    return i + 1;
end;
$$;

Ref