i. total (X,Y,Z) where z is the total of the first two arguments. Use predicate total/3. Sample output: 2- total (25,10,15). false. ?- total (30, 10, 20). false. ?- total (50,20,70). true. ii. minimum (X,Y,Z) where Z is the minimum of the first two arguments. Use predicate minimum/3. Sample output: ?- minimum (9,4,4). true. ?- minimum (8,3,3). true. ?- minimum (4,8,4). true. ?- minimum (9.4,9). false.

i. total (X,Y,Z) where z is the total of the first two arguments. Use predicate total/3. Sample output: 2- total (25,10,15). false. ?- total (30, 10, 20). false. ?- total (50,20,70). true. ii. minimum (X,Y,Z) where Z is the minimum of the first two arguments. Use predicate minimum/3. Sample output: ?- minimum (9,4,4). true. ?- minimum (8,3,3). true. ?- minimum (4,8,4). true. ?- minimum (9.4,9). false.

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

Problem 1PE

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Concept explainers

Max Function

Statistical function is of many categories. One of them is a MAX function. The MAX function returns the largest value from the list of arguments passed to it. MAX function always ignores the empty cells when performing the calculation.

Power Function

A power function is a type of single-term function. Its definition states that it is a variable containing a base value raised to a constant value acting as an exponent. This variable may also have a coefficient. For instance, the area of a circle can be given as:

Question

i.
total (X,Y,Z) where z is the total of the first two arguments. Use
predicate total/3.
Sample output:
2- total (25,10,15).
false.
?- total (30,10,20).
false.
?- total (50,20,70).
true.
ii.
minimum (X, Y, Z) where z is the minimum of the first two arguments. Use
predicate minimum/3.
Sample output:
?- minimum (9.4.4).
true.
?- minimum (8,3,3).
true.
?- minimum (4,8,4).
true.
?- minimum (9.4,9).
false.

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