__/ [ ato_zee@xxxxxxxxxxx ] on Thursday 03 August 2006 12:25 \__
> On 3-Aug-2006, "hon123456" <peterhon321@xxxxxxxxxxxx> wrote:
>> Dear all,
>> Do you know what database google is using? Proprietary one
>> or something like Oracle?
> In about 100 pages Bryn and Page, Googles creators explained how it works.
> I quote
> Google's data structures are optimized so that a large document collection
> can be crawled, indexed, and searched with little cost. Although, CPUs and
> bulk input output rates have improved dramatically over the years, a disk
> seek still requires about 10 ms to complete. Google is designed to avoid
> disk seeks whenever possible, and this has had a considerable influence on
> the design of the data structures. So to answer your query proprietary.
> Getting your head around how it works is another matter. Complex is putting
> it mildly. In 1997 they wrote
> A large-scale web search engine is a complex system and much remains to be
> done. Our immediate goals are to improve search efficiency and to scale to
> approximately 100 million web pages.
> Of course the 100 million was in 1997.
According to an E-mail I received last night (I didn't apply or anything),
their requirements include "SQL experience a plus, MySQL a plusplus."
MySQL is (Free) Open Source.