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
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Please answer questions 1 to 4 if possible.
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?
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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