Python - what is the fastest database ?

[Terry Reedy]

<martijn at gamecreators.nl> wrote in message 
news:1109592623.116661.101880 at g14g2000cwa.googlegroups.com...
>> How is it possible that google (super big database) is super fast?
> What type database do they use / software ?

On the hardware side, Google's secret is massively parallel cluster 
computing, coupled with proprietary software for splitting tasks and 
joining results.  They have perhaps 200,000 CPUs.  A query might be given 
to hundreds of them for a fraction of a second.

Terry J. Reedy