Re: database modelling tool

2002-06-13 Thread Wolfgang Pichler

hi,

there is such a tool from thekompany (i think www.thekompany.com) but it
is commercial.

Am Don, 2002-06-13 um 12.03 schrieb Veysel Harun Sahin:
 Hello,
 
 Is there any database modelling tool for mysql?
 
 
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Re: ERD for MySQL?

2002-02-22 Thread Wolfgang Pichler

Its not open source, but I think theKompany.com has a good one.

Am Fre, 2002-02-22 um 04.55 schrieb Jeff Kilbride:
 Are there any open source ERD programs for MySQL for doing basic data
 modelling? I tried myERD at sourceforge and it couldn't parse the sql dump
 from my database. It died with a parse exception on the unsigned attribute
 for my int columns.
 
 Any other choices out there?
 
 Thanks,
 --jeff
 
 
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Re: Question about SQL...

2002-02-22 Thread Wolfgang Pichler

Hi
  Subselects doesn't work at time.

Am Fre, 2002-02-22 um 12.47 schrieb Guillaume BABIK:
 Hi all, 
 i'm a newbie on this Mailing-list and i'm French. 
 So, sorry for my POOR english... 
 I try to execute an SQL Command but i have a syntax error : 
 SELECT Id_Game
 FROM game
 WHERE Id_Game NOT IN (
 SELECT Id_Game
 FROM member_game a
 WHERE Id_Member = 4 )
 
 I don't know waht happend..
 
 Help me..
 Thks a lot..
 
 BABIK Guillaume
 Développeur Web
 [ http://www.absolut.fr/ ]ABSOLUT Reality
 
 
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Re: Problems compiling PHP with mysql support as a apache DSO on aHPUX11.x box

2002-02-20 Thread Wolfgang Pichler

Do you have also recompiled apache after compiling php ?

Am Mit, 2002-02-20 um 10.04 schrieb Andre Konopka:
 Hi,
 
 mmh, maybe it's not a mysql-problem...
 Yes, I read through the numerous threads about this topic but I can't
 solve my problem
 
 After compiling php-4.1.1 with mysql support (mysql-3.23.47) as a DSO
 (./configure --enable-libgcc  --with-mysql=/opt/mysql-3.23.47 
 --with-apxs=/opt/apache-1.3.23/bin/apxs)
 
 apache complains with the following error:
 
 
   bin/apachectl start
 /usr/lib/dld.sl: Unresolved symbol: __umoddi3 (code)  from 
 /opt/mysql-3.23.47/lib/mysql/libmysqlclient.sl.10
 Syntax error on line 236 of /opt/apache-1.3.23/conf/httpd.conf:
 Cannot load /opt/apache-1.3.23/libexec/libphp4.so into server: No such 
 file or directory
 bin/apachectl start: httpd could not be started
 
 
 
 I compiled all the stuff with gcc version 2.95.2 19991024 (release)
 
 Here are the options I used to compile MySQL
 
 CXX=gcc
 CFLAGS=-fomit-frame-pointer -O6 -fpic
 CXXFLAGS=-felide-constructors -fno-exceptions -fno-rtti -O6
 ./configure --prefix=/opt/mysql-3.23.47 --with-low-memory --with-innodb
 
 chatr
 
 
 Any idea??
 
 
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HA mysql DB

2002-02-14 Thread Wolfgang Pichler

Hi List
  I have to set up a HA-Linux Server with Apache and mysql running on
two machines over load balancing. Apache isn't a problem. But mysql.
AFAIK it is impossible to cluster mysql - it only supports
replication. As I've said already, we have only two machines, and two
firewalls of course, for web and mysql server - but this two machines
should for the best work load balanced and failsafe. So, if one machine
fails because of a hardware fault - the other machine must be able to
overtake the whole work. So it is necersary to install Apache and mysql
on both server's. And, to get the best performance out of it, I've got
the following idea: The whole WebApplication has an own db interface so
that it should be possible to...

First Server runs: apache and mysql master - all write Operations are
done one the master - read operations from the first server are also
done one the master.

Second Server runs: apache and mysql slave - gets synchronized by the
master - read operations from the second server are done on the slave
- write operations are getting directed to the master - which then
synchronize the slave.

Because of dynamic load balancing this should get a nice average load. 

If then one machine fails - then you have on both machines everthing you
need to work in standalone mode. The only thing is, that you need some
scripts which switches the databases from slave to master mode, doing
synchronization after the are working again, redirecting all the
read/write operations to one machine, and some additional work.

So, after a long paragraph, what to you think - should this be possible
or have you any better ideas ? With what I'am wrong ?
 






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