Firebird 2.5.3

Firebird Project - ( Open Source)

Firebird is the perfect database for developing a small program or a large enterprise information system.

Firebird is a relational database that can better manage your database and to track the behavior of your SQL programs. By implementing this tool you can refresh your data and make the correction scripts. The software runs on Windows 95/98/Millenium/2000 / XP platforms. SQL Monitor Interbase / Firebird is a freeware software.

Firebird offers good performance regardless of the size of databases, ranging from a few kilobytes to several gigabytes, without slowdowns. Among the features there can be mentioned multi-generational architecture, support for external functions (UDFs), the ACID transaction model, full support of Stored Procedures and Triggers, full internal language for Stored Procedures and Triggers (PSQL), support for External Functions (UDFs), full implementation of cursors in PSQL, incremental Backups, referential Integrity, many third-party tools, including graphical tools aministration, replication, etc, many drivers database access : Napi , dbExpress driver , ODBC, OLEDB , pilot Net native JDBC type 4 driver module, Python , PHP , Perl, etc and more.

Firebird 2.5.3
File Size:
6.7 MB
Windows 9x / 2000 / XP / Vista / Windows7 / Windows8
Open Source
Date Added:
21 Jul 2014
Firebird Project
MD5 Checksum:

* New context variables have been added to the SYSTEM namespace to retrieve more information about the current connection and current transaction. The added variables: SYSTEM::CLIENT_PID and SYSTEM::CLIENT_PROCESS for the current connection, SYSTEM::LOCK_TIMEOUT and SYSTEM::READ_ONLY for the current transaction.
* Some limits have increased:
- The maximum number of connections on Windows for Superserver and Superclassic has been raised from 1024 to 2048 connections.
- The maximum number of input parameters for external functions (UDFs) has increased to 15.
* Error reporting improvements, including:
- More details are now reported for object in use errors.
- The relation name is now added to the text of validation constraint error messages, to help identify the error context.
- Error reporting for index and constraint violations has been extended to include the problematic key value.
* Physical backup (using ALTER DATABASE BEGIN/END BACKUP or the nBackup utility) was improved to speed up extension of the main database file when backup state changes from stalled to merge.
- Contention for the allocation table lock while a database is in the stalled physical backup state has been reduced.
- Faster file growth has been enabled on Linux systems that support fallocate().
- Attachments no longer block others when the allocation table is being read for the first time.
* Execution of a SET STATISTICS INDEX statement no longer blocks or slows down concurrent attachments.
* The scan for limbo transactions at the end of a sweep has been improved.
* Support for the UPDATE OR INSERT statement and the RETURNING clause have been implemented for Embedded SQL (ESQL).


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