Re: Nearest Common Ancestor Report (XDb1's $1000 Challenge)
Date: 6 Jun 2004 15:05:15 -0700
Message-ID: <4b45d3ad.0406061405.5a5f7310_at_posting.google.com>
> Additionally, no one knows how much he tuned his product to win,
> even to the point of hardcoding output, prior to issuing the challenge.
To find out, why not propose a new hierarchy and compare results?
> The relational model was invented and published over thirty years ago.
> In all that time, there has been no serious challenger for an alternate
> data model.
Why not show that XDb1 is no serious challenger by either using RM Solution #1 or #2 to create a report for the three thing hierarchy or by providing an alternate solution.
> Neo had every chance to select the absolute best problem to illustrate
> how his 'thing' (XDb1) is better than an off-the-shelf SQL DBMS. He failed!
Below are measurements made thus far using RM solutions that aren't as generic or normalized as XDb1's.
Small Report Generation Summary (provided by Hugo)
Solution Time(ms) Platform Notes
-------------- -------- ----------------- -------------------------- RM#1 SqlSrvr2K 14.3 1.3 Ghz PC RM#2 SqlSrvr2K 11.0 1.3 Ghz PC XDb1 4.4.7 16 1.3 Ghz PC Debug version
Small Report Generation Summary (provided by Neo)
Solution Time(ms) Platform Notes
------------- -------- ----------------- -------------------------- RM#1 SqlSrvr7 65.0 500 Mhz Server RM#2 SqlSrvr7 68.9 500 Mhz Server XDb1 4.4.7 16 500 Mhz Server Debug version XDb1 4.5.7 1.632 500 Mhz Server XDb1 4.5.9 6.561 233 MHz PocketPC
Large Report (28,940 rows) Generation Summary (provided by Neo)
Solution Time(sec) Platform Notes
------------- -------- ----------------- -------------------------- RM#5 SqlSrvr7 40.5 500 Mhz Server XDb1 4.5.7 2.9 500 Mhz Server XDb1 4.5.9 16.971 233 Mhz PocketPCReceived on Mon Jun 07 2004 - 00:05:15 CEST