Firebird 2.5 Language Referenceproceed under the auspices of the Firebird Documentation Project. Preface 1 Table of Contents 1. About the Firebird SQL Language Reference: for Firebird 2.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 518 Table of Contents 12 Chapter 1. About the Firebird SQL Language Reference: for Firebird 2.5 This Firebird SQL Language Reference is the lead Dmitry Yemanov and a documenter colleague Chapter 1. About the Firebird SQL Language Reference: for Firebird 2.5 13 Thomas Woinke, set about the task of designing and assembling a complete SQL language0 码力 | 521 页 | 2.30 MB | 1 年前3
firebird 40 language reference/issues or submit a pull request with the necessary changes. Preface 1 Table of Contents 1. About the Firebird 4.0 Language Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 774 Table of Contents 16 Chapter 1. About the Firebird 4.0 Language Reference This Language Reference describes the SQL language supported (writer, editor) Resource Content • Adriano dos Santos Fernandes • Alexander Peshkov Chapter 1. About the Firebird 4.0 Language Reference 17 • Vladyslav Khorsun • Claudio Valderrama • Helen Borrie0 码力 | 778 页 | 3.43 MB | 1 年前3
Firebird Null Guide: NULL behaviour and pitfalls in Firebird SQLChapter 1. What is NULL? Time and again, support questions pop up on the Firebird mailing lists about “strange things” happening with NULLs. The concept seems difficult to grasp — perhaps partly because Chapter 4. Internal functions and directives 13 Chapter 5. Predicates Predicates are statements about objects that return a boolean result: true, false or unknown (= NULL). In computer code you typically the set is empty! 5.3. EXISTS and SINGULAR The EXISTS and SINGULAR predicates return information about a subquery, usually a correlated subquery. You can use them in WHERE, HAVING, CHECK, CASE, IF and0 码力 | 69 页 | 479.63 KB | 1 年前3
Firebird 2.1.5 Installationlocation that it offers, instead of c:\Program Files\Firebird\Firebird_2_1 . Unless you are very clear about the effects of having a wrong value in this variable, you should remove or update it before you begin Pipes) protocol no longer performs client impersonation. For more information, refer to the chapter about new features in the accompanying Release Notes. Interactive Option Added to instsvc.exe D. Yemanov good choice if the host server has multiple CPUs and plenty of RAM. Note There is more discussion about the Classic/Superserver decision in the Quick Start Guide. A more detailed paper on the subject can0 码力 | 46 页 | 217.89 KB | 1 年前3
Firebird File and Metadata Security. 18 Table of Contents 1 Chapter 1. Introduction If you stumble on this page and don’t know about Firebird, see this link: www.firebirdsql.org This article discusses the security of Firebird database encryption/decryption features, but then you will lose the ability to make effective use of database indexes and search facilities — and key management remains a major problem (more below). Chapter 3. The Problem 5 structural information about the database with which they interact. It is very rare for a database-centric application to have an interface that does not reveal many details about the table structures0 码力 | 19 页 | 115.27 KB | 1 年前3
Firebird 2 QuickStart11 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 ...................................................................................... ........................................................................................ 39 3 About this guide The Firebird Quick Start Guide is an introduction for the complete newcomer to a few essentials distribution that supports rpm installs, consult the appropriate platform documentation for instructions about using RPM Package Manager. In most distributions you will have the choice of performing the install0 码力 | 40 页 | 218.42 KB | 1 年前3
firebird 5 quickstartguideIBPhoenix Editors, Mark Rotteveel, Firebird Project Members 0.2; 8 November 2023 Table of Contents 1. About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.4.2. Things to know about strings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Table of Contents 2 Chapter 1. About this guide The Firebird 5 Quick Start Guide is an introduction for the complete newcomer to a few0 码力 | 49 页 | 396.21 KB | 1 年前3
firebird isqlnot all distributions install Firebird to the same location. OpenSuse, for example, installs just about everything to /opt/firebird/n.n but Ubuntu and derivatives install it to a number of different locations machine. When running commandline utilities like isql, gbak, gstat, and gfix, Firebird will search to see if the ISC_USER and ISC_PASSWORD environment variables are set. If you do not provide a username the user to remember, or check whether maxrows is on or off. Using maxrows can lead to confusion about exactly how many rows there are in a table! 18.7. SET ECHO SQL> SET ECHO [ON | OFF]; The default0 码力 | 76 页 | 369.92 KB | 1 年前3
firebird 30 sprachreferenzAllgemeine Sprachelemente 74::= character-type expression ::= search pattern ::= escape character Das Prädikat LIKE vergleicht den zeichenartigen vorangestellt ist. Syntax SELECT ... FROM ... [...] WHERE <search-condition> [...] Tabelle 72. WHERE-Argumente Parameter Beschreibung search-condition Ein boolescher Ausdruck, der TRUE, FALSE oder möglicherweise ESQL, PSQL Syntax UPDATE target [[AS] alias] SET col = [, col = ...] [WHERE {<search-conditions> | CURRENT OF cursorname}] [PLAN ] [ORDER BY ] [ROWS m [TO 0 码力 | 701 页 | 3.12 MB | 1 年前3
firebird language reference 30 rusFROM ... Операторы DML 268 [...] WHERE <search-condition> [...] Таблица 5.5. Параметры предложения WHERE Параметр Описание search-condition Логическое выражение возвращающее 306 Синтаксис: UPDATE target [[AS] alias] SET col = newval [, col = newval ...] [WHERE {search-conditions | CURRENT OF cursorname}] [PLAN plan_items] [ORDER BY sort_items] [ROWS m [TO таблицы или представления. newval Новые значения обновляемых столбцов в таблице (представлении). search-conditions Условие поиска, ограничивающее набор обновляемых строк. cursorname Имя курсора, по которому0 码力 | 719 页 | 3.98 MB | 1 年前3
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