Re: Replication question...

2003-07-04 Thread Madscientist
At 04:02 AM 7/4/2003 -0500, woody at nfri dot com wrote: What kind of traffic volume is generated with replication, our database has a pretty steady read/update volume throughout the day and its pretty much 50/50 read/write. I do plan to offload some of the reads (such as for daily reports and in

Re: Java/JDBC - Connection refused on Linux

2003-06-17 Thread Madscientist
At 05:59 PM 6/17/2003 -0700, Jeff Weeks wrote: I can't access MySQL using Java on Linux! It's killing my project. I can access that very MySQL from PHP just fine. I have the same database running on Windows so I can develop what I need to. Just can't run anything for our users!!! I don't

RE: Triggers

2003-06-17 Thread Madscientist
should ever be necessary. This is not always so easy when relying on embedded trigger and active SQL technologies in some databases. _M Pete McNeil (Madscientist) President, MicroNeil Research Corporation -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To

Re: soft real-time database

2003-06-12 Thread Madscientist
ord is not likely to cause significant loading since the same record is always in the database cache and in precisely the same location. A prepared statement can also help here. Hope this helps, _M Pete McNeil (Madscientist) President, MicroNeil Research Corporation. -- MySQL General Mailing Li

RE: Question

2003-02-18 Thread Madscientist
Usually the best way to do this is to store the images in an accessible directory and then store the URL for the image in the database. It's a fairly simple exercise also to create an upload function that will associate the two for you automatically. Hope this helps, _M ]-Original Message

RE: Fractions

2002-09-20 Thread Madscientist
You might also consider using two integer type fields - one for the numerator and another for the denominator. This way storage and recovery are easy and the mathematics are wide open. _M ]-Original Message- ]From: MySQL [mailto:[EMAIL PROTECTED]] ]Sent: Thursday, September 19, 2002 7:51

What's the workaround for this...

2002-08-30 Thread Madscientist
We've got a sloppy database that we must import to from another sloppy database. The slop is due to user data entry and process inconsistencies - that can't be fixed here. The query we need to do (loosely) is this: insert into table B select SPO, Field2, Field3, etc... from table A where

RE: AUTO_INCREMENT with Replication

2002-07-04 Thread Madscientist
We use a strategy of giving each node a unique ID and using the combination of the NodeId and the AUTO_INCREMENT value as the key for the objects. The AUTO_INCREMENT field ensures uniqueness between records in a single node. The NodeID ensures uniqueness between nodes. This way nodes that are wid

Circular replication

2002-04-23 Thread Madscientist
Hi, We're doing something weird (what else is new). We're hoping to use MySQL as the base of a distributed database with peer replication. Most of the peering and control mechanisms will be in the core application code, but we're counting on MySQL's ability to replicate for some of the lower-leve

Installation weirdness.

2002-04-03 Thread Madscientist
I can't seem to find help for this in the docs or with the search engine. I am installing the new 4.x version an rather than run it over 3.23 I decided to erase the old packages first and start fresh. This is a RedHat Linux 7.1 box. I am using the RPMs to do this. After erasing all RPMs from 3.2