Re: PostgreSQL, MySQL, etc., was Re: [GENERAL] PostgreSQL is much faster than MySQL, only when...

2003-11-27 Thread Paul Thomas
On 27/11/2003 08:08 Chris Travers wrote: Hi; I am trying to determine if there is anything I can do with MySQL that I can't do with PostgreSQL. HEAP tables are the last one I can't figure out. HEAP tables are MySQL tables which reside in memory and are visible across sessions. For obvious reason

[GENERAL] PostgreSQL Advocacy, Thoughts and Comments

2003-11-27 Thread Tony
Hi All, I've just been reading an article in PHP Architect magazine (http://www.phparch.com) which is the cover story for October called "Migrating from MySQL to PostgreSQL". I must say that this is a highly compelling article, especially for me, and is aimed at programmers that aren't neces

Re: PostgreSQL, MySQL, etc., was Re: [GENERAL] PostgreSQL is much

2003-11-27 Thread Shridhar Daithankar
Chris Travers wrote: HEAP tables are MySQL tables which reside in memory and are visible across sessions. For obvious reasons, this violates the D in ACID. Postgresql depend upon two level of buffers. One is it's own buffers and others are OS buffer cache. So when you say update the table, the re

Re: [GENERAL] Open source data modeling tools for PostgreSQL

2003-11-27 Thread Jean-Michel POURE
Le Vendredi 21 Novembre 2003 15:04, Markus Seibold a écrit : > I am looking for an open source / free data modeling tool for PostgreSQL. Dear Markus, pgAdmin team was contacted lately by John McCawley <[EMAIL PROTECTED]> who is the developer of wxpgDesign, a very neat PostgreSQL design tool unde

Re: [GENERAL] What is WAL used for?

2003-11-27 Thread Thierry Missimilly
Jonathan, Could you tell me what is the real impact of "fsync=false" on the WAL and on the database in the same catastrophic scenario ? Thierry Missimilly Jonathan Bartlett wrote: > WAL is write-ahead logging. Basically, before the database actually > performs an operation, it writes in a log

Re: PostgreSQL, MySQL, etc., was Re: [GENERAL] PostgreSQL is much faster than MySQL, only when...

2003-11-27 Thread Chris Travers
Hi; I am trying to determine if there is anything I can do with MySQL that I can't do with PostgreSQL. HEAP tables are the last one I can't figure out. HEAP tables are MySQL tables which reside in memory and are visible across sessions. For obvious reasons, this violates the D in ACID. In many

Re: PostgreSQL, MySQL, etc., was Re: [GENERAL] PostgreSQL is much

2003-11-27 Thread Shridhar Daithankar
Chris Travers wrote: Anyway one additional thought I had was that it should be possible to write parsers for text files in PL/PERLu and then plug those in as views. In this way, files such as /etc/passwd or even /var/log/messages could be used as if they were tables in the database. Information f