Author: Cantu

I'm the owner of the www.Firebase.com.br site and the author of the books Firebird Essencial, Firebird 2 and Migration Guide to Firebird 3. Loving Firebird even before it was born!

Workshop with Alexey Kovyazin, in Piracicaba-SP, Brazil

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Informamos que amanhã, dia 20/Julho, haverá um workshop gratuito com Alexey Kovyazin, na Unimep Taquaral, em Piracicaba. Não há necessidade de se inscrever antecipadamente. Os interessados podem comparecer diretamente no local e hora indicada.

Segue informações:

Workshop Otimização de banco de Dados SQL
Local: Auditório Azul – Bloco 7 – Campus Taquaral
Data: 20/07/2012 – Sexta-feira
Início: 14h30 – duração prevista de 1h30
Workshop em inglês, com tradução consecutiva para português.

Alexey Kovyazin é diretor executivo da IBSurgeon e um veterano das tecnologias da informação: sua experiência inclui ter trabalhado na Borland/CodeGear/Embarcadero e na Microsoft, além de ser especialista na recuperação de bases de dados corrompidas. Na IBSurgeon, trabalha na melhoria constante dos produtos e serviços.

Estará falando sobre as ferramentas da IBSurgeon que facilitam o tunning de bancos de dados.

Firebird for Android?

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Posted in FB-DEVEL:

FIrebird for Android
——————–

Key: CORE-3885
URL: http://tracker.firebirdsql.org/browse/CORE-3885
Project: Firebird Core
Issue Type: Task
Components: Build Issues / Porting
Affects Versions: 2.1.5
Environment: Android 4
Reporter: JLM
Priority: Minor

Hello,

I’m trying to build Firebird 2.1 for Android ARM.
For the moment, I am compiling, step by step, by correcting builds issues.
To compile, I use the custom NDK R7 by Crystax in order to use the standard libc instead of the Bionic libc.

I will write my advance gradually.

Regards,
Loweno

Do you have interest? Vote for it in the tracker and show your support  😉

A few words about the shared memory and files

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Even if running in the Classic (isolated process) mode, Firebird needs some data to be available to all the running server processes. There are four kinds of information that must be shared:

  • Lock table. It’s the vital part of the lock manager and its primary goal is to synchronize access to various resources that can be read or modified simultaneously.
  • Event table. Every time a posted event is committed, the server needs to find all the subscribers and redirect the event delivery to processes handling the appropriate user connections.
  • Monitoring snapshot. It keeps the latest known state of all the running worker processes and it gets updated once some user connection attempts to access the monitoring tables in a new transaction.
  • Trace configuration. It contains the information required for the worker processes to react on the currently active tracing events and log the appropriate notifications.

Continue reading at Dmitry Yemanov’s blog.

Searching for Firebird programmer

One comment

I got this in my email box, maybe some of you would be interested:

Dear Carlos,
I came across your name asking developers to send details of large companies who use firebird databases. I am actually an end-user who has the open mind to want a firebird database but cannot find anyone who does this programming. I am based in the UK and am told to ‘steer away’ from firebird as it is not proven, etc. etc.
It really is quite disappointing and seems that there are many others like myself who would like to have an alternative but cannot find a developer. So I am the horse looking for water to drink – but there is no water…not like you describe leading the client to the water but not getting them to drink.
Any suggestions?
JT <tse.tse@ntlworld.com>
PS: It is weird that in the actual days, with so many great case studies published, there are still people who thinks FB is a “toy”.
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