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aa898.txt

Associated article: Theorem Proving and Database Querying

Tags: Database    

Published source code accompanying the column by Sergei Savchenko in which he discusses mathematical algorithms known as "automated theorem provers" which efficiently resolve database queries. Also see AA898.ZIP.

					Algorithm Alley
by Sergei Savchenko


Example 1:
(a)

(c>'1')A = c e : 2 2 : 3 3 :

(b)
A= c e : 1 1 : 1 2 : 2 2 : 3 3 :
B= x y : 1 9 : 2 8 : 4 9 :
<A[cx]B>= c e y : 1 1 9 : 1 2 9 : 2 2 8 :

(c) 
(c>'1')<A[cx]B>= c ...
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