Dann Corbit wrote: > All of the database systems > that I know of that use this column-oriented scheme are in-memory > database systems. I don't know if Mr. Stonebraker's is also.
KDB+ (http://kx.com/) is column-oriented and has both on-disk and in-memory capabilities http://kx.com/faq/#6 . It's around since 1998 and both column and row oriented databases are still around so I think it'd be more fair to say both are mature technologies. ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
