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What is the difference between COMP & COMP-3 ?

Answer Posted / vampire

comp has boundaries

01-04 halfword
05-09 fullword
10-18 doubleword
comp is always fast compare to comp3
comp storage is only binary
only using for small data

comp-3 is takes like this

(n+1)/2

it is much powerful than comp when handling huge data
storage is binary and packed decimal

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