Estimated Completion Time: 2-4 minutesFrom the possible answers below, which regular expression is equivalent to the following: [e-9A-Za-z_]+(ab|ac)rrrr[a-9] ?If there is no match, select "no match". If all of the patterns match, select "all match".\w(ablac)rrrrr|0-9)\w+(ablac)r{6}\wO w'a(b|c)r{6}\d\w+(a[bc])r{6}\d\w+(a[bc])r{6}\d+O all matchO no match

Given regular expression: [0-9A-Za-z_]+(ab|ac)rrrrrr[0-9] \w : matches a "word" character: a letter…

Estimated Completion Time: 2-4 minutes From the possible answers below, which regular expression is equivalent to the following: [e-9A-Za-z_]+(ab]ac)rrrr[8-9] ? If there is no match, select "no match". If all of the patterns match, select "all match". O \wfablac)rrrrr|0-9] \w+lab|ac)r{6}\w O w'a(blc)r{6}\d O lw+la[bc])r{6}\d O \w+la[bc])r{6}\d+ O all match O no match

Estimated Completion Time: 2-4 minutes From the possible answers below, which regular expression is equivalent to the following: [e-9A-Za-z_]+(ab]ac)rrrr[8-9] ? If there is no match, select "no match". If all of the patterns match, select "all match". O \wfablac)rrrrr|0-9] \w+lab|ac)r{6}\w O w'a(blc)r{6}\d O lw+la[bc])r{6}\d O \w+la[bc])r{6}\d+ O all match O no match

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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DO NOT COPY FROM OTHER WEBSITES Write your own answer
There is currently an 100,000 by 90,000 array saved in the workspace as the variable Q3. Which answer defines a new variable "A" as the 345,678th row of Q3, and columns 40,000 through 60,000? Q3 = A( 40000:60000, 345678) A = Q3( 40000:60000,345678) A = Q3(345678,40000:60000) Q3 = A( 345678,40000:60000) O 0 0 O
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