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Optimizing execution strategy
Distributed databases
Article REF: H3850 V1
Optimizing execution strategy
Distributed databases

Authors : Claude CHRISMENT, Geneviève PUJOLLE, Gilles ZURFLUH

Publication date: December 10, 1993

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6. Optimizing execution strategy

For each evaluation tree, the system determines a cost according to a formula of the type :

COST = C UC · i + C ES · e + C MSG · m + C TR · t

with :

C UC
 : 
instruction execution cost
C ES
 : 
cost of an input/output operation
C MSG
 : 
...
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