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3. Consider the rules Age > 40 ⇒ Donor and Age ≤ 50 ⇒￢Donor.     a. Are these two rules mutually exclusive?     b. Are these two rules exhaustive?

3. Consider the rules Age > 40 ⇒ Donor and Age ≤ 50 ⇒￢Donor.     a. Are these two rules mutually exclusive?     b. Are these two rules exhaustive?

Database System Concepts
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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3. Consider the rules Age > 40 ⇒ Donor and Age ≤ 50 ⇒￢Donor.

    a. Are these two rules mutually exclusive?

    b. Are these two rules exhaustive?

 

Name Age Salary Donor? Nancy 21 37,000 N Jim 27 41,000 Allen 43 61,000 Jane 38 55,000 Steve 44 30,000 Peter 51 56,000 Sayani 53 70,000 Lata 56 74,000 Mary 59 Victor 61 Dale 63 25,000 68,000 51,000 ZZKZZ N Y N N Y Y Y N Y Y
Transcribed Image Text:Name Age Salary Donor? Nancy 21 37,000 N Jim 27 41,000 Allen 43 61,000 Jane 38 55,000 Steve 44 30,000 Peter 51 56,000 Sayani 53 70,000 Lata 56 74,000 Mary 59 Victor 61 Dale 63 25,000 68,000 51,000 ZZKZZ N Y N N Y Y Y N Y Y
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