Tabelle: Tabelle 2. LinuxQuestions.org poll: Database of the year 2003 Database Votes Percentage MySQL 405 36.45 Firebird 403 36.27 Postgres 269 24.21 Oracle 25 2.25 Berkeley DB 4 0.36 Sybase 3 0 0 码力 |
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Firebird Backup & Restore Utility Norman Dunbar Version 1.12, 18 June 2020 Table of Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2. Backup Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. Backup Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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(платформонезависимая утилита). БОльшая часть из указанных утилит схожа с утилитой управления для СУБД MS SQL Enterprise Manager. Клиентский доступ для разработчиков Существует несколько механизмов доступа к базам СУБД MS SQL. К Вашему сведению, в основном, все приложения, которые имеют функции, аналогичные Enterprise Manager, также способны обслуживать (выполнять) и запросы. Переход с MS SQL на Firebird 20 Таблица Проверяйте правильность с помощью isql или других утилит. Enterprise Manager IBOConsole Enterprise Manager IBExpert (free/commercial) Enterprise Manager DataBase Workbench (commercial) Import and Export
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Nbackup ist ein Backup-Werkzeug, das seit Firebird 2.0 inkludiert ist. Es bietet Möglichkeiten, die in dem bekannten Firebird Backup-Tool gbak — bereits in Firebird vorhandenes Backup-Tool — nicht vorhanden diesem Modus sichert nbackup nichts. Es werden nur die Bedingungen erstellt, unter denen Sie das Backup sicher selbst erstellen können. Auch hier ist eine Wiederherstellung vorgesehen. Das Sperren ist Im Sicherungsmodus wird der Inhalt mehr oder weniger blind in die Sicherungsdatei geschrieben. • Backup/Restore-Modus: Zeit- und Speicherplatzersparnis, da Sie nicht jedes Mal eine vollständige Sicherung
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Firebird Backup File Splitting Filter Norman Dunbar Version 1.2, 19 June 2020 Table of Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5. Joining Backup Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for gsplit. • Gsplit options and their parameters. • Splitting backups using gsplit. • Joining backup chunks using gsplit. From Interbase 6.0, gsplit is no longer required as gbak allows large files
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-l(ist) show limbo transactions -me(nd) prepare corrupt database for backup -mo(de) read_only or read_write database -nol(inger) close database ignoring Theoretically, it is possible to clear out old rolled back transactions' garbage with a database backup by gbak tool. Gbak reads every table sequentially and thus visits every row in every table. Applications Intersting Transaction) or OST (Oldest Snapshot) settings however. In practice, better do not consider backup as an alternative for sweep, because sweep does more things than collective garbage collection.
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hdr_page_buffers; SLONG hdr_bumped_transaction; SLONG hdr_oldest_snapshot; SLONG hdr_backup_pages; SLONG hdr_misc[3]; UCHAR hdr_data[1]; }; hdr_header The database header page has 3. hdr_read_only 0x200 (bit 9) Database is in read only mode. hdr_backup_mask 0xC00 (bits 10 and 11) Indicates the current backup mode. hdr_shutdown_mask (bit two of two) 0x1080 (bits 7 and 12) states of backup and shutdown. hdr_backup_mask These two bits determine the current database backup mode, as follows: Flag Value Description 0x00 (Both bits zero) Database is not in backup mode. User
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............................................................................................ 28 Backup ................................................................................................ greatly extended version of the Null Guide is available since January 2007. Protecting your data Backup Firebird comes with two utilities for backing up and restoring your databases: gbak and nbackup connected to the system and going about their normal work. The backup will be taken from a snapshot of the database at the time the backup began. Regular backups and occasional restores should be a scheduled
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involving NULL ................................................................................... 19 Backup ................................................................................................ on Windows ..................................................................... 21 3. Restoring a backup to a running database .............................................................. 21 4. Allowing limits the damage in case of malfunctioning (by hack or otherwise). No Services Manager. Tasks like backup/ restore, user management, stats etc. have to be performed locally using the client tools (small
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