Write a C Program which reads the contents of the attached sequential file - customers.txt Print the surname of people who agreed to share their data. This is denoted by the final field in the file (1 for agree, 0 for not agreed). Print the average age of these people (age is the 4th column in the data) Print the average age for people who live in Dublin and have agreed to share their data. This is denoted by the first field in the file. customers.txt New York Dunne 865463389 21 1 New York Milford 865438990 22 0 New York Mowlds 876765443 24 1 New York Wang 873456789 22 1 New York Smith 875432234 25 1 New York Henry 876654429 22 0 New York Gupta 896765443 24 1 Los Angeles Monahan 865432245 22 1 Los Angeles Brunsdon 865678894 22 1 Alabama Tyson 865434566 22 0 Alabama Browne 865564766 20 1 New York Dunne 890065443 27 1 New York Connolly 876733999 20 0 Hawaii Jennings 987645673 60 1 Texas Wang 876232123 29 1

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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Write a C Program which reads the contents of the attached sequential file - customers.txt

Print the surname of people who agreed to share their data. This is denoted by the final field in the file (1 for agree, 0 for not agreed).
Print the average age of these people (age is the 4th column in the data)
Print the average age for people who live in Dublin and have agreed to share their data. This is denoted by the first field in the file.

customers.txt

New York Dunne 865463389 21 1
New York Milford 865438990 22 0
New York Mowlds 876765443 24 1
New York Wang 873456789 22 1
New York Smith 875432234 25 1
New York Henry 876654429 22 0
New York Gupta 896765443 24 1
Los Angeles Monahan 865432245 22 1
Los Angeles Brunsdon 865678894 22 1
Alabama Tyson 865434566 22 0
Alabama Browne 865564766 20 1
New York Dunne 890065443 27 1
New York Connolly 876733999 20 0
Hawaii Jennings 987645673 60 1
Texas Wang 876232123 29 1

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