1. How many records does the file contain? How many fields are there per record? 2. What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure? 3. If you wanted to produce a listing of the file contents by last name, area code, city, state, or zip code, how would you alter the file structure?
1. How many records does the file contain? How many fields are there per record? 2. What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure? 3. If you wanted to produce a listing of the file contents by last name, area code, city, state, or zip code, how would you alter the file structure?
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
Related questions
Question
Please answer questions 1 to 4 if possible.

Transcribed Image Text:Given the file structure shown in Figure P1.1, answer Problems 1-4.
Figure 1: The File Structure for Problems 1-4
PROJECT CODE PROJECT MANAGER MANAGER_PHONE
21-5Z
25-2D
25-5A
25-9T
27-4Q
29-2D
31-7P
MANAGER ADDRESS
3334 Lee Rd., Gainesville, FL 37123
218 Clark Blvd., Nashville, TN 36362
124 River Dr., Franklin, TN 29185
3334 Lee Rd., Gainesville, FL 37123
124 River Dr., Franklin, TN 29185
3334 Lee Rd., Gainesville, FL 37123
PROJECT BID PRICE
16833460.00
12500000.00
Holly B. Parker
904-338-3416
Jane D. Grant
615-898-9909
George F. Dorts
Holly B. Parker
George F. Dorts
Holly B. Parker
William K. Moor
615-227-1245
904-338-3416
32512420.00
21563234.00
10314545.00
615-227-1245
904-338-3416
25559999.00
904-445-2719
216 Morton Rd., Stetson, FL 30155
56850000.00
1. How many records does the file contain? How many fields are there per record?
2. What problem would you encounter if you wanted to produce a listing by city? How would
you solve this problem by altering the file structure?
3. If you wanted to produce a listing of the file contents by last name, area code, city, state, or
zip code, how would you alter the file structure?
4. What data redundancies do you detect? How could those redundancies lead to anomalies?
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