Let A = {f, k, 0, s, v, z}, which of the following is true? There may be more than one correct answer.%3DOA. AC {k, f, s, z}B. {k, f, s, z} C AOC. ØCAD. {s, f, z, k} C {k, f, s, z}E. {c, a, e, g} C AF. {k, f, s, z} = {s, f, z, k}G. {k, s, 0, t} C AHint:If every element of a set A is also an element of a set B, then A is called a subset of B, denoted by A C B.Example: {7, 4, 1} C {1,2,3, 4, 5, 6, 7, 8, 9, 10}. {f,r, m, q, l} £ {a,b, c, d, e, ƒ, g, h, i, j, k, l, m, n, o, p, q}.Set A and set B are equal if they have exactly the same elements. This happens if and only if A C B and BC A.

o , v are elements of set A But they are not elements of set { k , f , s , z}

Let A = {f, k, o, s, v, z}, which of the following is true? There may be more than one correct answer. OA. AC {k, f, s, z} OB. {k, f, s, z} C A OC. ØCA OD. {s, f, z, k} C {k, f, s, z} O E. {c, a, e, g} C A OF. {k, f, s, z} = {s, f, z, k} OG. {k, s, o, t} C A

Let A = {f, k, o, s, v, z}, which of the following is true? There may be more than one correct answer. OA. AC {k, f, s, z} OB. {k, f, s, z} C A OC. ØCA OD. {s, f, z, k} C {k, f, s, z} O E. {c, a, e, g} C A OF. {k, f, s, z} = {s, f, z, k} OG. {k, s, o, t} C A

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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Question

Let A = {f, k, 0, s, v, z}, which of the following is true? There may be more than one correct answer.
%3D
OA. AC {k, f, s, z}
B. {k, f, s, z} C A
OC. ØCA
D. {s, f, z, k} C {k, f, s, z}
E. {c, a, e, g} C A
F. {k, f, s, z} = {s, f, z, k}
G. {k, s, 0, t} C A
Hint:
If every element of a set A is also an element of a set B, then A is called a subset of B, denoted by A C B.
Example: {7, 4, 1} C {1,2,3, 4, 5, 6, 7, 8, 9, 10}. {f,r, m, q, l} £ {a,b, c, d, e, ƒ, g, h, i, j, k, l, m, n, o, p, q}.
Set A and set B are equal if they have exactly the same elements. This happens if and only if A C B and BC A.

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