RDDB is created and managed similarly to an IMDB, except that unlike an IMDB, it is also allocated disk storage.ĭuring the third quarter of 2010, Sybase plans to release a replication tool for copying data between the IMDB and disk-based database, Rathee said. "You can think of relaxed durability database (RDDB) as somewhere in-between an IMDB and disk-based database," said Peter Thawley, a Sybase senior director and architect, in a meeting with Betanews at the event. Database administrators, though, can preserve data in the IMDB by performing "data dumps" prior to system shutdown and boot-up, he said.Īlso, beyond the "fully in-memory database," which carries zero disk imprint, Sybase has introduced a relaxed durability option. Sybase's IMDB also uses the same T-SQL language, and supports the same APIs as the disk-based option, according to Rathee.Īcknowledging there are trade-offs involved, Rathee admitted that IMDBs can pose compromises to data "durability," or recoverability. IBM already offers IMDB through its solidDB product, and Oracle through its Oracle Times Ten In-Memory Database.īut IBM and Oracle both obtained their IMDBs via acquisition, noted Raj Rathee, Sybase's product manager for ASE, speaking to reporters and database administrators at the company's ASE 15.5 launch event this week in New York City.Ĭonsequently, Sybase's new IMDB is the first in the industry to be "fully integrated," supplying the same look-and-feel, administration, and monitoring as the company's disk-based enterprise DB. Sybase is touting IMDB as dramatically raising performance speeds by circumventing the input/output bottleneck that slows down traditional disk-based databases. The new Adaptive Server Enterprise (ASE) 15.5, which shipped in December 2009, is the first product from Sybase to be shipped with an in-memory database (IMDB), an emerging alternative to disk-based databases which has already been adopted by competitors Oracle and IBM.
On news of its best financial quarter in company history, Sybase celebrated this week by officially rolling out a new edition of its enterprise database.
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