Introduction to the Firebird Database
Many solutions for replication have been developed by various entities. Most of these rely on trigger-based mechanisms that keep track of inserts, updates or deletes from a given table and then take those changes and propagate them to another database. As far as I can determine, all of the solutions are commercial in nature and can be used to administer databases on different platforms, including Window and UNIX/Linux. Additional information on this can be found on the IBPhoenix Web site (see Resources).
A single database can span to the data files, which gives the administrator the flexibility to load balance the database from a disk perspective. It is not unusual for databases to have local hot spots where an inordinate amount of activity occurs. Having the database laid out on multiple data files, which could reside in turn on multiple disks, alleviates the problem to a certain extent. Additionally, a single table also can be put on a separate file, and in this way load can be distributed to an even finer granularity.
Some people might wonder why they should make the effort to learn a new database, especially if they already are familiar with MySQL or PostgreSQL. From my perspective, Firebird offers a comfortable migration path from closed-source, commercial databases to an open-source database. I have found the task of converting from Oracle or Sybase to MySQL or PostgreSQL to be a bit daunting, as the nature of these databases is quite different from the commercial offerings. If the reader already is familiar with any of the large popular RDBMSs, the concepts he or she has learned over the years in those databases can convert smoothly to Firebird It offers virtually every common feature available in high-end databases without any significant impact on performance, as compared to the speed demons of the Linux platform. If you are looking for a database for your next project, think about Firebird as a viable option.
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