PRECISION. BIGINT is not permitted as a data type. • Dialect 2 is available only on the Firebird client connection and cannot be set in the database. It is intended to assist debugging of possible problems see which dialect your client and database are using, as follows: remote> isql my_employee -user norman -password whatever Database: my_employee SQL> show sql dialect; Client SQL dialect is set to: 3 dialect is: 3 Chapter 9. Setting The Database Dialect 18 Although dialect 2 is possible on the client, trying to set a dialect of 2 will fail on the server as the following example shows. linux> gfix

Jaybird (Firebird JDBC driver). The protocol is described in the form of the message sent by the client and received from the server. The described protocol is Firebird/Interbase protocol version 10. vector, information request items, and the meaning of operations. Unless otherwise indicated, a client request must be flushed to the server for processing. For some operations the flush can be deferred attachment to a database. 3.1.1. Identification Performs the initial handshake and protocol selection. Client Int32 Operation code (op_connect) Int32 Operation code (op_attach) Int32 Version (CONNECT_VERSION2)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.5.2. Client Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . the Part 2 (SQL/Foundation) part of the SQL specification. DSQL represents statements passed by client applications through the public Firebird API and processed by the database engine. Procedural SQL Firebird isql, the command-line application for accessing databases interactively. As a regular client application, its native language is DSQL. It also offers a few additional commands that are not

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.5.2. Client-Zeichensatz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . werden kann, der Befehlszeilenanwendung für den interaktiven Zugriff auf Datenbanken. Als normale Client- Anwendung ist ihre Muttersprache DSQL. Es bietet auch einige zusätzliche Befehle, die außerhalb werden, gibt eine Dialekt-1- Client-Anfrage, beispielsweise SELECT GEN_ID (MyGen, 1) den Generatorwert auf 32 Bit gekürzt zurück. • Dialekt 2 ist nur über die Firebird-Client-Verbindung verfügbar und kann

running . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.5. Performing a client-only install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Table of Contents 1 6.2.2. Connecting with a GUI client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . additional process for each client connection. Using a locking mechanism, it allows shared connections to database files. • SuperClassic (ThreadedShared) is a single server process. Client connections are handled

Connection Protocol with XNet .................................................................... 10 Client Impersonation No Longer Works .................................................................. ............................................................................................ 28 Client-only Installs .................................................................................. the end of the result set Important In former versions, NULLs were always at the end. If you have client code or PSQL definitions that rely on the legacy NULLs placement, it will be necessary to use the

............................................................................... 11 Performing a client-only install ................................................................................... Server vs. Superserver Classic Server Superserver Processes Creates a separate process for every client connection, each with its own cache. Less resource use if the number of connections is low. A single connections grows. Permits fast, direct I/O to database files for local connections on Linux. The client process must have filesystem-level access rights to the database for this to work. On Linux, all

statement ...................................................................... 15 Performing a client-only install ................................................................................... of the components needed to install the Firebird server: • The Firebird server executable. • A client library located on the server machine. • The command-line tools. • The standard user-defined function Superserver Only available on Linux. Available on both Windows and Linux. Creates a process for each client connec- tion, each with its own cache. Less re- source use if the number of connections is low.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4.1. Client dialects and generator values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dialect 1! 2.4.1. Client dialects and generator values Clients talking to a Firebird server can set their dialect to 1 or 3, regardless of the database they are connected to. It is the client dialect, not Firebird passes generator values to the client: • If the client dialect is 1, the server returns generator values as truncated 32-bit integers to the client. But inside the database they remain 64-bit

................................................................. 17 Effectuer une installation client-seulement ...................................................................................... nécessaires à l'installation du serveur Firebird : • L'éxecutable du serveur Firebird. • Une bibliothèque client sur la machine serveur. • Les outils en ligne de commande. • Les bibliothèques standard de fonctions embarqué), mais c'est une configuration complètement différente et n'est pas faite pour une architecture client-serveur. Consultez les Release Notes (notes de version) pour plus de détails. Emplacements disque