From: Scott Marlowe <scott.marlowe@gmail.com>
To: Sebastian Hennebrueder <usenet@laliluna.de>
Cc: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL vs MySQL, and FreeBSD
Date: Fri, 9 Nov 2007 09:57:33 -0600
Message-ID: <dcc563d10711090757jeaa7ed2h962d79fe948fcad6@mail.gmail.com> (raw)
In-Reply-To: <47347F9F.1070309@laliluna.de>
References: <47344D43.5090506@geri.cc.fer.hr>
<47347F9F.1070309@laliluna.de>
On Nov 9, 2007 9:41 AM, Sebastian Hennebrueder <usenet@laliluna.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?
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To: pgsql-performance@postgresql.org
Cc: scott.marlowe@gmail.com, usenet@laliluna.de
Subject: Re: PostgreSQL vs MySQL, and FreeBSD
In-Reply-To: <dcc563d10711090757jeaa7ed2h962d79fe948fcad6@mail.gmail.com>
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