stark <stark(at)enterprisedb(dot)com> writes:
> postgres=# show datestyle;
> DateStyle
> -----------
> ISO, DMY
> (1 row)
> postgres=# set datestyle='DMY,ISO';
> SET
> postgres=# show datestyle;
> DateStyle
> -----------
> ISO, DMY
> (1 row)
What's your point?
regards, tom lane