O (2) E A and {3) EB implies (2,3) CA

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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QUESTION 5
Which of the following statements is FALSE ?
O 2EAUB implies that if 2 A then 2 EB
O {2,3) CA implies that 2 E A and 3 E A
O (2,3)CANB implies that (2,3) CA and (2,3) CB
O (3}CA-B and (2) CB implies (2,3} CAUB
O {2) E A and (3) EB implies (2,3)CA
Transcribed Image Text:QUESTION 5 Which of the following statements is FALSE ? O 2EAUB implies that if 2 A then 2 EB O {2,3) CA implies that 2 E A and 3 E A O (2,3)CANB implies that (2,3) CA and (2,3) CB O (3}CA-B and (2) CB implies (2,3} CAUB O {2) E A and (3) EB implies (2,3)CA
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