Firebird Generator Guide A guide on how and when to use generators in Firebird Frank Ingermann Version 0.3, 27 June 2020 Table of Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . access them by means of built-in functions and statements which will be discussed later on in this guide.  The information provided in this section is for educational purposes only. As a general rule mechanism to Chapter 4. Using generators to create unique row IDs 12 make this work safely in multi-user/multi-transaction environments, JUST DON’T DO IT! 4.4. Generators for IDs or auto-increment fields

Guide Firebird et NULL Comportement et précautions au sujet de NULL dans Firebird SQL Paul Vinkenoog Traduction en français: Philippe Makowski 04 mai 2005 - Document version 0.2.1-fr 2 Table des matières ce résumé (qui est vrai- ment condensé). Note Certaines phrases et exemples dans ce guide sont empruntés au Guide de démarrage de Firebird, publié initia- lement par IBPhoenix, et maintenant partie intégrante instructions suivantes, lisez le comme « un champ, une variable ou une autre expression renvoyant NULL ». Guide Firebird et NULL 4 Expressions retournant NULL Les expressions dans cette liste renvoient toujours

grupo de registros vacío, lo que es contrario a la lógica común. Manejo de NULL en UDF's Las UDF's (User Defined Functions o Funciones Definidas por el Usuario) son funciones no internas en el motor, por UDF's, consulta la InterBase 6.0 Developer's Guide (libre en http://www.ibphoenix. com/downloads/60DevGuide.zip), Using Firebird y la Firebird Reference Guide (ambas en CD), o el Firebird Book. El libro http://www.firebirdsql.org/ma- nual/pdl.html (HTML). La documentación original se llama Firebird Null Guide. El escritor inicial de la documentación original es: Paul Vinkenoog. Copyright © 2005. Todos los

https://www.firebirdsql.org/manual/pdl.html (HTML). Оригинальное название документа: Firebird Generator Guide. Автор исходного документа: Frank Ingermann. Copyright © 2006 - 2020. Все права защищены. Адрес

Замечание Некоторые предложения и примеры в этом руководстве были позаимствованы из Firebird Quick Start Guide, которое впервые было опубликовано компанией IBPhoenix, теперь являющейся частью Firebird Project если использован пустой набор данных, что проти- воречит общей логике. Обработка NULL в UDF UDF (User Defined Functions - функции, определяемые пользователем) - это функции, которые не явля- ются внутренними обратитесь к InterBase 6.0 Developer's Guide (скачать бесплатно на http:// www.ibphoenix.com/downloads/60DevGuide.zip), Using Firebird и Firebird Reference Guide (оба на CD), или Firebird Book. CD и книга

Werkzeuge nich von uns verwendet werden. • http://docbook.org/tdg/en/ DocBook – The Definitive Guide, von Norman Walsh und Leonard Muellner. Erwarten Sie nicht, ein anfän- gerfreundliches Tutorial zu id='usersguide' lang='en'> Firebird Docwriting-Anleitung 18 William Shakespeare Firebird Docwriting-Anleitung 19 William Shakespeare

ferramentas usadas não são as que nós usamos. • http://docbook.org/tdg/en/ DocBook - The Definitive Guide, por Normam Walsh e Leonard Muellner. Não espere seja um tutorial para o iniciante - de fato, a primeira também o que acontece com múltiplos caracteres espaço em branco, porque certos editores XML podem user certos truques para preservá-los. Elementos que usamos freqüentemente Esta seção discute os elementos cuidadosamente! Se você deseja saber mais sobre o assunto, compre DocBook – The Definitive Guide. Saída: Nós usamos DocBook XML para nossa documentação do Firebird. Uma introdução curta

Firebird Null Guide NULL behaviour and pitfalls in Firebird SQL Paul Vinkenoog Version 1.2, 30 June 2020 Table of Contents 1. What is NULL? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 13. User-Defined Functions (UDFs). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . of a string. In reality, performing such operations will render the entire expression NULL. This guide explores the behaviour of NULL in Firebird SQL, points out common pitfalls and shows you how to deal

Firebird 1.0 Quick Start Guide IBPhoenix Editors 1 March 2005 - Document version 2.1.1 Table of Contents About this guide .......................................................................... server ............................................................................... 11 Default user name and password ............................................................................... ....................................................................... 26 ii About this guide This guide is an introduction for the complete newcomer to a few essentials for getting off to a quick

and 2.1 Quick Start Guide IBPhoenix Editors Firebird Project members 11 July 2011, document version 3.11 covers Firebird 2.0–2.0.6 and 2.1–2.1.4 2 Table of Contents About this guide ................ .............................................................................................. 15 User management: gsec ................................................................................ 3 About this guide The Firebird Quick Start Guide is an introduction for the complete newcomer to a few essentials for getting off to a quick start with a Firebird binary kit. The guide first saw the