a) Describe the main characteristics of the database approach and contrast it with the file-based approach b) Data Models are according to the types of concepts they use to describe the database structure. Explain the three (3) types of data model use to describe the database structure. c) Describe the role of database management systems (DBMS) in the database approach. Discuss why knowledge of DBMS is important for database administrators. d) List the data types that are allowed for SQL attributes STUDENTStudent_numberMajorCSNameClassSmith17Brown82CSCOURSECourse_nameIntro to Computer ScienceData StructuresDiscrete MathematicsDatabaseCourse_number Credit_hours DepartmentCS1310CS33204CS4CSМАТН24103MATHCS33803CSSECTIONSection_identifier Course_number SemesterMATH2410YearInstructor85Fall07King92CS1310Fall07Anderson102CS3320Spring08Knuth112MATH2410Fall08Chang119CS1310Fall08Anderson135CS3380Fall08Stone GRADE REPORTStudent_numberSection_identifierGrade17112B1711985A92A102B135APREREQUISITECourse_numberPrerequisite_numberCS3320CS3380CS3380МАТН2410CS3320CS1310Figure 1: A database that stores student and course information.

Note: This is a multiple-question-based problem. As per company guidelines, only the first question…

Answered: a) Describe the main characteristics of…

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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Question

a) Describe the main characteristics of the database approach and contrast it with the file-based
approach

b) Data Models are according to the types of concepts they use to describe the database
structure. Explain the three (3) types of data model use to describe the database structure.

c) Describe the role of database management systems (DBMS) in the database approach.
Discuss why knowledge of DBMS is important for database administrators.

d) List the data types that are allowed for SQL attributes

STUDENT
Student_number
Major
CS
Name
Class
Smith
17
Brown
8
2
CS
COURSE
Course_name
Intro to Computer Science
Data Structures
Discrete Mathematics
Database
Course_number Credit_hours Department
CS1310
CS3320
4
CS
4
CS
МАТН2410
3
MATH
CS3380
3
CS
SECTION
Section_identifier Course_number Semester
MATH2410
Year
Instructor
85
Fall
07
King
92
CS1310
Fall
07
Anderson
102
CS3320
Spring
08
Knuth
112
MATH2410
Fall
08
Chang
119
CS1310
Fall
08
Anderson
135
CS3380
Fall
08
Stone

GRADE REPORT
Student_number
Section_identifier
Grade
17
112
B
17
119
85
A
92
A
102
B
135
A
PREREQUISITE
Course_number
Prerequisite_number
CS3320
CS3380
CS3380
МАТН2410
CS3320
CS1310
Figure 1: A database that stores student and course information.

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