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1) Define each of the following terms: a. data b. field c. record d. file

1) Define each of the following terms: a. data b. field c. record d. file

Database System Concepts
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
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C:/Users/TWRC/Downloads A قراءة بصوت عال عرض Lab 1: Database Systems I. Introduction This first lab focuses on database management systems (DBMSS)-what they are, what they do, and why we need them. Review Questions 1) Define each of the following terms: II. a. data b. field c. record d. file 2) What is data redundancy, and which characteristics of the file system can lead to it? 3) What is data independence, and why is it lacking in file systems? 4) What is a DBMS, and what are its functions? 5) What is structural independence, and why is it important? 6) Explain the differences between data, information, and a database. 7) What is the role of a DBMS, and what are its advantages? What are its disadvantages? 8) Describe different types of databases. 9) What are the main components of a database system? 10) What is metadata? 11) Explain why database design is important. 12) What are the potential costs of implementing a database system? 13) Use examples to compare and contrast unstructured and structured data. Which type is more prevalent in a typical business environment? III. Activities Given the file structure shown in the following figure, answer the questions below: MANAGER ADDRESS 3334 Lee Rd., Gainesville, FL 37123 PROJECT_CODE PROJECT_MANAGER MANAGER_PHONE Holly B. Parker PROJECT_BID_PRICE 16833460.00 21-5Z 25-2D 25-5A 25-9T 27-4Q 29-20 31-7P How many records does the file contain? How many fields are there per record? 904-338-3416 615-898-9909 218 Clark Blvd, Nashville, TN 36362 12500000.00 Jane D Grant 124 River Dr Franklin, TN 29185 3334 Lee Rd., Gainesville, FL 37123 124 River Dr., Franklin, TN 29185 3334 Lee Rd., Ganesville, FL 37123 216 Morton Rd, Stetson, FL 30155 32512420.00 George F. Dorts Holly B. Parker George F. Dorts Holly B. Parker 615-227-1245 904-338-3416 21563234.00 615-227-1245 10314545.00 904-338-3416 25559999.00 56850000.00 VWilliam K. Moor 904-445-2719
Transcribed Image Text:C:/Users/TWRC/Downloads A قراءة بصوت عال عرض Lab 1: Database Systems I. Introduction This first lab focuses on database management systems (DBMSS)-what they are, what they do, and why we need them. Review Questions 1) Define each of the following terms: II. a. data b. field c. record d. file 2) What is data redundancy, and which characteristics of the file system can lead to it? 3) What is data independence, and why is it lacking in file systems? 4) What is a DBMS, and what are its functions? 5) What is structural independence, and why is it important? 6) Explain the differences between data, information, and a database. 7) What is the role of a DBMS, and what are its advantages? What are its disadvantages? 8) Describe different types of databases. 9) What are the main components of a database system? 10) What is metadata? 11) Explain why database design is important. 12) What are the potential costs of implementing a database system? 13) Use examples to compare and contrast unstructured and structured data. Which type is more prevalent in a typical business environment? III. Activities Given the file structure shown in the following figure, answer the questions below: MANAGER ADDRESS 3334 Lee Rd., Gainesville, FL 37123 PROJECT_CODE PROJECT_MANAGER MANAGER_PHONE Holly B. Parker PROJECT_BID_PRICE 16833460.00 21-5Z 25-2D 25-5A 25-9T 27-4Q 29-20 31-7P How many records does the file contain? How many fields are there per record? 904-338-3416 615-898-9909 218 Clark Blvd, Nashville, TN 36362 12500000.00 Jane D Grant 124 River Dr Franklin, TN 29185 3334 Lee Rd., Gainesville, FL 37123 124 River Dr., Franklin, TN 29185 3334 Lee Rd., Ganesville, FL 37123 216 Morton Rd, Stetson, FL 30155 32512420.00 George F. Dorts Holly B. Parker George F. Dorts Holly B. Parker 615-227-1245 904-338-3416 21563234.00 615-227-1245 10314545.00 904-338-3416 25559999.00 56850000.00 VWilliam K. Moor 904-445-2719
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