On Tue, Mar 07, 2006 at 09:54:11AM -0500, Emi Lu wrote:
> Thank you very much Michael. Your inputs are very helpful for me. Just 
> have one small question, the example you gave is based on  postgresql 
> 8.1, does it apply to PostgreSQL 8.0.1 as well (i686-pc-linux-gnu, 
> compiled by GCC gcc 3.3.2)?

What example?  I only mentioned 8.1 in the context of queries against
low-cardinality columns (columns with only a few distinct values) but
I didn't show an example of that.

> >Yes.  When you issue the CREATE TABLE statement you should see a
> >notice like the following:
> >
> >CREATE TABLE / PRIMARY KEY will create implicit index "test_pkey" for 
> >table "test"

Is this the example you meant?  Earlier versions of PostgreSQL work
the same way.

-- 
Michael Fuhr

---------------------------(end of broadcast)---------------------------
TIP 3: Have you checked our extensive FAQ?

               http://www.postgresql.org/docs/faq

Reply via email to