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.

IBM already offers IMDB through its solidDB product, and Oracle through its Oracle Times Ten In-Memory Database.

But 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.

Consequently, 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's IMDB also uses the same T-SQL language, and supports the same APIs as the disk-based option, according to Rathee.

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