Chapter 12: Performance Evaluation of Logic Programs 515
lOOOOOOOT
lOOOOOO-r
I
100000-r
l-i
f- + -f \ 1 1 4 ! 1
100 800 300 400 800 600 700 «00 800 1000
Breadth
(b)/Height
(h)
Query
3,
Cylinder data
Breadth (b)/Height (h)
516
Bancilhon
and
Ramakrishnan
Query 4, Tree data with Join Selectivit ...
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