What does the ff. algorithm return? (Note: indentation is importar algorithm foo(f : function, a1, a2, ..., an, b1, b2, ... , bm : integers) for i – 1 to m hit(b;) – 0 k e true for j + 1 to n if hit(f(a; )) == 0 then hit(f(a; )) – 1 else k e false return k

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What does the ff. algorithm return? (Note: indentation is important)
algorithm foo(f : function, a1, a2, . .., an, b1, b2, . .. , bm : integers)
for i +1 to m
hit(b;) 0
ke true
for j+1 to n
if hit(f(a; )) == 0 then hit(f(a; )) – 1
else k + false
return k
Note: the array hit keep track of which elements of the codomain B have
already been found to be images of elements of the domain A.
O determines whether a function is one-to-one
determines whether a function is onto
determines whether a function is bijective
None of the choices
Transcribed Image Text:What does the ff. algorithm return? (Note: indentation is important) algorithm foo(f : function, a1, a2, . .., an, b1, b2, . .. , bm : integers) for i +1 to m hit(b;) 0 ke true for j+1 to n if hit(f(a; )) == 0 then hit(f(a; )) – 1 else k + false return k Note: the array hit keep track of which elements of the codomain B have already been found to be images of elements of the domain A. O determines whether a function is one-to-one determines whether a function is onto determines whether a function is bijective None of the choices
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