On 27 Sep 2001, Arcady Genkin wrote:
> Is the index, created implicitely by "UNIQUE" constraint, the same
> kind as created explicitely with "CREATE INDEX"? In other words,
> is the following piece of SQL redundant?
>
> create table foo (
> bar serial primary key,
> baz text not null unique );
> create index foo_baz_idx on foo(baz);
Apart from the index for unique being a unique index, I believe so.