Re: PostgreSQL vs MySQL, and FreeBSD

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: "Sebastian Hennebrueder" <usenet(at)laliluna(dot)de>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL vs MySQL, and FreeBSD
Date: 2007-11-09 15:57:33
Message-ID: dcc563d10711090757jeaa7ed2h962d79fe948fcad6@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Nov 9, 2007 9:41 AM, Sebastian Hennebrueder <usenet(at)laliluna(dot)de> wrote:
> If the queries are complex, this is understable. I had a performance
> review of a Hibernate project (Java Object Relation Mapping) using
> MySQL. ORM produces easily "complex" queries with joins and subqueries.
> MySQL uses nested loops for subqueries which lead to performance issues
> with growing database size.
>
> They state in their documentation that for version 5.2 there are
> improvements planned regarding this kind of query.

So, MySQL 5.2 will be catching up to version 7.1 or 7.2 of PostgreSQL
in that regard?

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Jurgen Haan 2007-11-09 16:01:08 Re: dell versus hp
Previous Message Erik Jones 2007-11-09 15:50:47 Re: PostgreSQL vs MySQL, and FreeBSD