C:/Users/TWRC/DownloadsA قراءة بصوت عالعرضLab 1: Database SystemsI.IntroductionThis first lab focuses on database management systems (DBMSS)-what they are, what they do, and whywe need them.Review Questions1) Define each of the following terms:II.a. datab. fieldc. recordd. file2) 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 moreprevalent in a typical business environment?III.ActivitiesGiven the file structure shown in the following figure, answer the questions below:MANAGER ADDRESS3334 Lee Rd., Gainesville, FL 37123PROJECT_CODE PROJECT_MANAGER MANAGER_PHONEHolly B. ParkerPROJECT_BID_PRICE16833460.0021-5Z25-2D25-5A25-9T27-4Q29-2031-7PHow many records does the file contain? How many fields are there per record?904-338-3416615-898-9909218 Clark Blvd, Nashville, TN 3636212500000.00Jane D Grant124 River Dr Franklin, TN 291853334 Lee Rd., Gainesville, FL 37123124 River Dr., Franklin, TN 291853334 Lee Rd., Ganesville, FL 37123216 Morton Rd, Stetson, FL 3015532512420.00George F. DortsHolly B. ParkerGeorge F. DortsHolly B. Parker615-227-1245904-338-341621563234.00615-227-124510314545.00904-338-341625559999.0056850000.00VWilliam K. Moor904-445-2719

“Since you have asked multiple questions, we will solve the first question for you. If you want any…

1) Define each of the following terms: 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?

1) Define each of the following terms: 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?

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

See similar textbooks

Similar questions

Why is the file notion so powerful despite its simplicity and elegance?
Discuss the concept of "virtual directories" and their role in modern, abstracted file system structures.
1.Reanalyze the five (5) different file structures that were discussed and search for other file structures that are available in books, the Internet, and other resources. Closely analyze the components, attributes, structure, and operations or implementation guidelines of each file organization. 2.After gathering all the essential ideas and concepts, propose a unique file organization structure or a file management system using the guidelines/questions below. Use 3 to 5 sentences in answering each item. a)Enumerate all your desired attributes/features/functionalities for your file organization design. b)Which specific file system property would you like to focus on: long-term existence, sharable between processes, or good internal structure? c)Select a particular industry (i.e., education, entertainment, health services, and manufacturing industry) that would greatly benefit from your file organization design and explain how it will be beneficial for your selected industry. d)Identify…
Explain the five different file structures (Pile, Sequential file, Indexed Sequential file, Indexed file, and hashed file). And analyze the components, attributes, structure, and operations or implementation guidelines of each file organization.
Make a list of the drawbacks of traditional file processing techniques.
Determine the most often used file characteristics and operations, as well as a short explanation for each.
What is the function and purpose of data grouping when it comes to file organization?
Explain the concept of a file allocation table (FAT) in the context of file systems and its pros and cons.
Provide a synopsis of the three major file organization techniques.
Consider a file system such as the one on your favorite operating system.a. What are the steps involved in the creation and deletion of files and inwriting data to a file?b. Explain how the issues of atomicity and durability are relevant to thecreation and deletion of files and to writing data to files.
Provide an overview of the three most important file structure approaches.
Consider a file system like the one included with your operating system.a. What procedures are involved in creating and deleting files, as well as writing data to them?b. Describe how atomicity and durability affect the creation and deletion of files, as well as the writing of data to files.