firebird 40 language reference
le code blocks. These are the areas addressed in this volume. This document does not cover configuration of Firebird, Firebird command-line tools, nor its programming APIs. 1.2. Authorship For the maximum identifier length through configuration. Consult the Firebird 4.0 Release Notes for details. In this language reference we assume the default configuration of 63 characters (252 bytes). Two case letters A-F, while FlameRobin uses lower case letters. Other client programs may use other conventions, such as displaying spaces between the byte pairs: '4E 65 72 76 65 6E'. The hexadecimal notation0 码力 | 778 页 | 3.43 MB | 1 年前3Firebird 2.5 Language Reference
subset of the SQL language, while the latter covered most of the rest. Fortunately for Firebird users over the years, both have been easy to find on-line as PDF books. 1.2.1. Language Reference Updates when the column is displayed on the client side. Network traffic is reduced by not sending spaces over the LAN. If the number of characters is not specified, 1 is used by default. DATE 32 bits From case letters A-F, while FlameRobin uses lower case letters. Other client programs may use other conventions, such as displaying spaces between the byte pairs: '4E 65 72 76 65 6E'. The hexadecimal notation0 码力 | 521 页 | 2.30 MB | 1 年前3firebird 5 quickstartguide
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5. Server configuration and management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . just follow the installer default for now. Changing the server mode later can be done via the configuration file firebird.conf and requires a restart but not reinstallation. The server mode can even be you upgrade your existing clients to Firebird 5.0. The legacy connection method sends passwords over the wire unencrypted, does not support wire protocol encryption, and also limits Chapter 3. Installing0 码力 | 49 页 | 396.21 KB | 1 年前3Firebird 2.1.5 Installation
......................................................................................... 7 Configuration Parameters .................................................................................. /misc/upgrade/metadata directory of your Firebird 2.1 installation. Running Multiple Instances The configuration parameter CreateInternalWindow in firebird.conf is now deprecated. You no longer need to disable against mixing table identifiers and aliases was made possible in V.2.1, by the introduction of the configuration parameter RelaxedAliasChecking. It is not the default behaviour and its sole purpose is to allow0 码力 | 46 页 | 217.89 KB | 1 年前3Firebird 2 QuickStart
.................................................................................. 14 Server configuration and management .............................................................................. switches the process between CPUs. To prevent this, set the CpuAffinityMask parameter in the configuration file firebird.conf. Guardian When run as a Windows application (as opposed to a service) you information about using the NetBEUI protocol in an all-Windows environment, refer to the Network Configuration chapter in the Using Firebird manual sold by IBPhoenix, or consult the InterBase 6 Opera- tions0 码力 | 40 页 | 218.42 KB | 1 年前3Firebird 1.0 QuickStart
(backup/restore, user management, stats, etc.) programmatically. You can connect to the Services Manager over the network and thus perform these tasks remotely. SMP (symmetrical multi-processor) sup- port. Better OS switches the process between CPUs. To prevent this, set the CPU_AFFINITY parameter in the configuration file ibconfig. As you can see, neither of the architectures is better in all respects. This is information about using NetBEUI protocol in an all-Windows environment, refer to Chapter 6, Network Configuration in the Using Firebird manual. Warning IPX/SPX networks are not supported by Firebird. Pinging0 码力 | 26 页 | 179.05 KB | 1 年前3firebird isql
like “C:\>”, or on Linux “user@HOST:~$"”. The exact prompt depends on the OS defaults and user configuration. The above is the simplest method of starting isql, and once activated in this way, you must KEEP_TRAN_params [{ON | OFF}] This command configures whether isql remembers the transaction configuration of the last SET TRANSACTION and applies it for automatically started transactions. The default 3 database. ... SQL> set sql dialect 3; SQL> The warning in the above example has had to be split over two lines in order to have it fit on the page. Normally, it consists of a single line. 18.19. SET0 码力 | 76 页 | 369.92 KB | 1 年前3firebird 30 sprachreferenz
Fensterfunktion. Sortiert Mitarbeiter nach Gehalt. SELECT id, salary, name , DENSE_RANK() OVER (ORDER BY salary) AS EMP_RANK FROM employees ORDER BY salary; Abfrage einer auswählbaren gespeicherten AS - Declaring a scrollable cursor DECLARE C SCROLL CURSOR FOR ( SELECT ROW_NUMBER() OVER (ORDER BY RDB$RELATION_NAME) AS N, RDB$RELATION_NAME FROM RDB$RELATIONS ORDER BY RDB$RELATION_NAME); RETURNS (N INT, RNAME CHAR (31)) AS DECLARE C SCROLL CURSOR FOR ( SELECT ROW_NUMBER() OVER (ORDER BY RDB$RELATION_NAME) AS N, RDB$RELATION_NAME FROM RDB$RELATIONS ORDER BY RDB$RELATION_NAME);0 码力 | 701 页 | 3.12 MB | 1 年前3firebird gsec
some POSIX systems to enter the Unix userid and groupid as found in /etc/passwd and /etc/group configuration files. If not supplied, these default to zero. -fname [] This parameter allows -user sysdba -password masterkey GSEC> In the above example, I have split the full command line over two lines. This is to prevent it 'falling off' the right side of the page when this manual is rendered Sometimes, when running in batch mode, an error condition in gsec will result in gsec switching over to interactive mode. This is not very useful if you started gsec in batch mode from a script, because 0 码力 | 23 页 | 145.31 KB | 1 年前3firebird gfix
doing no good to anyone. Even with a garbage collect thread, some active transaction has to stumble over deleted records or records with unneeded back versions before the record will be garbage collected operation and these are configurable by setting the GCPOLICY parameter in the firebird.conf configuration file. By default, Super Server uses combined while Classic Server uses cooperative. The other this task is: gfix -s[weep] [-i[gnore]] database_name This command will force the garbage left over from old rolled back transactions to be removed, reducing the database size and improving the performance0 码力 | 44 页 | 247.13 KB | 1 年前3
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