Which of the following option is correctly matched Name (p) \d (q) \D (r) \w (s) \s Equivalent pattern 1. [^ 0-9] 2.[0-9] 3. [\r\t\n\f] 4. [A-Z a-z_0-9] P-2, q-1, r-4, s-3 P-1, q-1, r-3, s-4 P-1, q-2, r-4, s-3 P-2, q-1, r-3, s-4 None of these

Which of the following option is correctly matched Name (p) \d (q) \D (r) \w (s) \s Equivalent pattern 1. [^ 0-9] 2.[0-9] 3. [\r\t\n\f] 4. [A-Z a-z_0-9] P-2, q-1, r-4, s-3 P-1, q-1, r-3, s-4 P-1, q-2, r-4, s-3 P-2, q-1, r-3, s-4 None of these

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

document.write("a: " + (n "3" === 3) + "")
" + (n "3" ==3) + "'"')
document.write("b":
The output will be
a: false b: false
a: false b: true
a true b: true
a true b: false

Which of the following option is
correctly matched
Name
(p) \d
(q) \D
(r) \w
(s) \s
Equivalent pattern
1. [^ 0-9]
2.[0-9]
3. [\r\t\n\f]
4. [A-Z a-z_0-9]
P-2, q-1, r-4, s-3
P-1, q-1, r-3, s-4
P-1, q-2, r-4, s-3
P-2, q-1, r-3, s-4
None of these

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