Re: Why is PGSQL better than MySQL

On Tue, Dec 13, 2005 at 02:24:48AM +0000, Pedro B. wrote:
> On Mon, 2005-12-12 at 20:02 -0600, John Mohr wrote:
> > But does anyone know if there is a quasi-categorical comparison of the
> > two so that I could speak with more conviction other than "I know it's
> > better".
>
> I've been involved in that comparison at work, and after some boring
> theoretical discussions, i once turned to my CTO and said:
>
> "Do a test. On the same machine, do a script that executes 50.000
> inserts, OR any other 50.000 SQL operations you want, and benchmark the
> results".

My personal favorite:

CREATE TABLE s(s smallint);
INSERT INTO s VALUES(99999);
SELECT * FROM t;

Seeing what those 3 lines produce is MySQL is enough to convert 50% of
people on the spot (after you tell them that *every* type in non-strict
MySQL operates that way).
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461