Re: Concurrency in an RDB

From: Marshall <marshall.spight_at_gmail.com>
Date: 31 Dec 2006 11:09:43 -0800
Message-ID: <1167592183.685276.45990@48g2000cwx.googlegroups.com>

On Dec 25, 4:54 pm, "David" <davi..._at_iinet.net.au> wrote:
> Nevertheless I wouldn't be surprised if the string manipulation is 100
> times slower with the relational approach. Each step through a
> head-tail list would typically involve an independent search through a
> BTree.

You're assuming a specific implementation, which is not a valid assumption. A relational and a non-relational approach might use the same implementation and have the same performance.

Marshall Received on Sun Dec 31 2006 - 13:09:43 CST