RAIDb Last modified: Wednesday, December 26, 2007
Short for Redundant Arrays of Inexpensive Databases (Db), RAIDb is a standard for combining multiple database instances into an array of databases. RAIDb was derived from two technologies; Redundant Arrays of Inexpensive Disks (RAID) and computing clusters to provide better performance and fault tolerance than a single database would, with the benefits of a distributed workload, load balancing, and caching. RAIDb is defined at three different levels which vary the cost, performance and fault tolerances. The levels include the following: RAIDb-0: full partitioning RAIDb-1: full replication RAIDb-2: partial replication where the user defines the degree of replication of each database table. Redundant Arrays of Inexpensive Databases was defined in September 2003 at INRIA (Institut National De Recherche En Informatique Et En Automatique) by Emmanuel Cecchet, Julie Marguerite, and Willy Zwaenepoel.
•E-mail this definition to a colleague• For internet.com pages about RAIDb . Also check out the following links! INRIA: Redundant Array of Inexpensive Databases (PDF)  We propose the concept of Redundant Array of Inexpensive Databases (RAIDb). RAIDb is to databases what RAID is to disks. Webopedia's "Did You Know...?" Section  Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software. Webopedia's Quick Reference Section  Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Databases database Microsoft Access MySQL Oracle RAID RDBMS SQL Give Us Your Feedback