On Sun, Mar 6, 2016 at 9:22 AM, Alexander Farber <alexander(dot)farber(at)gmail(dot)com
> wrote:
> could someone please recommend the most efficient way subtracting elements
> of one array from the other in PostgreSQL 9.5?
>
There are quite a few examples of array functions at
http://postgres.cz/wiki/Array_based_functions, probably worth having a
look.