"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:7731(dot)1123857710(at)sss(dot)pgh(dot)pa(dot)us(dot)(dot)(dot)
> "William ZHANG" <uniware(at)zedware(dot)org> writes:
> > Why not change the option "createuser" to "superuser",
>
> Backwards compatibility with existing dump files.
>
> > or do something to make is easier to understand?
>
> See
> http://developer.postgresql.org/docs/postgres/sql-createrole.html
>
Got the idea.
And I found that pgsql's role is very intresting. Will read it carefully.