1. Chapter 5 Database System
Mr.Warawut Khangkhan
e-Mail: awarawut@hotmail.com
Social Network: www.facebook.com/AjWarawut
2. ˂ F
2 Chapter 5 Database System Mr.Warawut Khangkhan
3. ˂ F (File System)
ˁ ˁ
ˁ ˁ
3 Chapter 5 Database System Mr.Warawut Khangkhan
4. F F ˂ F
(Bit)
(Character)
ʽ F (Field)
F /
(Record)
F (File)
4 Chapter 5 Database System Mr.Warawut Khangkhan
5. ˆ ˂ F
F F (Data Redundancy)
F F F (Data
Inconsistency)
F F F (Data Anomaly)
F ˈ F (Data Dependency)
5 Chapter 5 Database System Mr.Warawut Khangkhan
6. F
6 Chapter 5 Database System Mr.Warawut Khangkhan
7. ˂ F (File System)
ˁ ˁ
ˁ ˁ
7 Chapter 5 Database System Mr.Warawut Khangkhan
8. F (Database System)
ˁ ˁ
ˁ ˁ
8 Chapter 5 Database System Mr.Warawut Khangkhan
9. F (Database System)
F F F
F
F F F (DBMS:
Database Management System)
F F F
F F F F F
F F (Database System)
9 Chapter 5 Database System Mr.Warawut Khangkhan
10. F F
F (Data)
F F (Hardware)
F F (Software) F F Database
Management System : DBMS
F F (User) F F Programmer, Database
Administrator (DBA)
Procedure F F
DBA F F
10 F F F
Chapter 5 Database System Mr.Warawut Khangkhan
11. Application Interface
Programmer End User
Procedure
/ DBA
Application Query/Report
Software Tools
Data DBMS Data
Repository Dictionary
System Hardware
Server
Software
Database
11 Chapter 5 Database System Mr.Warawut Khangkhan
12. ˆ F
External
View 1 View 2 View 3
Level ...
Conceptual Conceptual
Level Schema
Internal Internal
Level Schema
F F F F
Database Physical Data
12 Chapter 5 Database System Mr.Warawut Khangkhan
13. External
View 1 View 2 View 3
Level ...
Conceptual
• ˈ F F
Conceptual
Level • F Schema F F ˈ
F F F
Internal
• F F Internal
Level F F Schema
• F F F F F
F ˈ F ˈ F
F F Database Physical Data
13 Chapter 5 Database System Mr.Warawut Khangkhan
14. External
View 1 View 2 View 3
Level ...
Conceptual Conceptual
Level Schema
• ˈ F
Internal • F F F Internal F
Level F F F
Schema F F
• ˈ F F F F
F F F
• FF F Database F
Physical Data
F
14 F
Chapter 5 Database System F F Mr.Warawut Khangkhan
15. External
ˈ
View 1 View 2
...F View 3
Level
F
F F F F
Conceptual Conceptual
Level
F F F F
Schema
F F FF
F
Internal Internal
Level
F Index
Schema
Record
F
Database Physical Data
15 Chapter 5 Database System Mr.Warawut Khangkhan
16. Mapping
ˈ F ˆ F
F F ˈ 2
Conceptual / Internal Mapping – F
F Conceptual F
Record Field F F
External / Conceptual Mapping –
F Record Field F
F F F F
16 Chapter 5 Database System Mr.Warawut Khangkhan
17. Mapping
ExternalView 1 ExternalView 2
EmpId FName LName Age Salary EmpId LName ProNo
ConceptualView EmpId FName LName Age Salary ProNo
InternalView struct EMPLOYEE {
int EmpId;
int ProNo;
char FName[15];
char LName[15];
struct date DateOfBirth;
float Salary;
struct EMPLOYEE *next;
}
index EmpId; index ProNo;
17 Chapter 5 Database System Mr.Warawut Khangkhan
18. F
F (Database Management
System : DBMS) – ˈ F F
F ˈ F F F
F F F FF
F
F F F DBMS
18 Chapter 5 Database System Mr.Warawut Khangkhan
19. F DBMS
DBMS
F F (User View)
Schema
Subschema Subschema Subschema
A B C
User 1 User 2 User 3 User 4 User 5
19
F F F
Chapter 5 Database System ˈ F F F F
Mr.Warawut Khangkhan
20. F DBMS
F F F – F
(Data Definition Language : DDL)”
DDL ˈ F F
F F F
F F F F F
F F F F F
F F F F F F
(Data Dictionary: DD)” F F
20 Chapter 5 Database System Mr.Warawut Khangkhan
21. F DBMS
F F F – F
(Data Definition Language : DDL)”
F (Data Dictionary: DD)
F F F
F F F
F F F F F
F F F F ˈ F
21 Chapter 5 Database System Mr.Warawut Khangkhan
22. F F
F ˈ F F
F
ˈ F F
F F F F F F F
F
22 Chapter 5 Database System Mr.Warawut Khangkhan
23. F F
F F F F
F F F F
F F F F F
F F F F F F F
F F
23 Chapter 5 Database System Mr.Warawut Khangkhan
24. F F
F F F
F F F
F F F F F F F
F ˈ F F F
F F
24 Chapter 5 Database System Mr.Warawut Khangkhan
25. F DBMS
F
F – ˈ F
F F F
FF Physical Access Path
F F F DBMS
Logical Access Path
“SELECT * FROM
student;” F F
ˈ F F
F “Logical F F
25
Access Path (LAP)”
Chapter 5 Database System Mr.Warawut Khangkhan
26. F DBMS F
F F F
F DBMS
F
F Schema
(Manipulation) F F Schema Schema Schema
F F A B C
F F
F F F F ˈ F
“DML (Data F F
26 Manipulation Language)”
Chapter 5 Database System Mr.Warawut Khangkhan
27. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
DBMS
Program Database Dictionary
Object Code Manager Manager
Access File
Methods Manager
System Database and
27 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
28. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
DBMS
Program Database Dictionary
Object F Code
ˈ DBMS
Manager F Manager
ˈ F F F F F
Access File
Database Manager
Methods Manager
System Database and
28 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
29. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
DBMS
Program Database Dictionary
Object Code Manager Manager
Access File
F
Methods ˈ Manager (Query) F F
F F F F F F File
System Database and
Manager
Buffers
29 Chapter 5 Database System F
System Catalog
F Mr.Warawut Khangkhan
30. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
F
Preprocessor F Processor F FCompiler F
DBA F F F F F DBMS
Program Database Dictionary
ObjectF Code
F F Access Method
Manager Manager
Access File
Methods Manager
System Database and
30 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
31. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
DBMS
F
Program DatabaseF
DML F Dictionary
ˈ ˆ F
Object Code Manager Manager
F F ˆ F ˆ F F
AccessF F File Processor
Query
Methods Manager
System Database and
31 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
32. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
DBMS
Program Database Dictionary
F Code
Object
F DDL
Manager
F ˈTable
Manager
Meta-
data Table F F Catalog
F Access F ˈ F
Methods
F
File
Manager
F
System Database and
32 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
33. F
Programmers Users
DBMS
DBA
Application Database
Queries
Programs Schema
DML Query DDL
Preprocessor Processor Compiler
Program Database
F
Catalog Manager Dictionary DBMS
Object Code Manager F Catalog Manager
F Table Meta-data
Access File
Methods Manager
System Database and
33 Buffers 5 Database System
Chapter Mr.Warawut Khangkhan
System Catalog
34. F DBMS
1. F (Database Size) – F
Record
2. F F F (Number of
Concurrent Users)
3. (Performance) –
F F , F
(System Recovery),
F
34 Chapter 5 Database System Mr.Warawut Khangkhan
35. F DBMS
4. (Integration) –
F F F ,
(Operating System: OS)”
5. (Features) – F F ˈ
F F ˈ F
DBMS F F F F
F
F F F DMBS
35
F
Chapter 5 Database System
F F F F F
Mr.Warawut Khangkhan
36. F DBMS
6. F F (Vendor) – F
F
7. F (Cost) DBMS – F
36 Chapter 5 Database System Mr.Warawut Khangkhan
37. F
(Database Model)
F F F F F F
37 Chapter 5 Database System Mr.Warawut Khangkhan
38. F
ˈ F F F F
F ˂ F ˈ Segment F
Segment F FF (Node)”
F F F “ (Child Node)” F
F F F F (Parent
Node)” F F “Root
Node” F F
F F F F 1 F
F F F F F
38 F “One-to-Many Relationship”
Chapter 5 Database System Mr.Warawut Khangkhan
39. F
39 Chapter 5 Database System Mr.Warawut Khangkhan
40. F
F
F F
F F F F
F F F
F F Linked List F F
F (Pointer) F Record
F F
40 Chapter 5 Database System Mr.Warawut Khangkhan
41. F F
F F F
F F F F F
F 1 F F F
F 1 F F
F “Many-to-Many Relationship”
41 Chapter 5 Database System Mr.Warawut Khangkhan
42. F F
42 Chapter 5 Database System Mr.Warawut Khangkhan
43. F F
F F
F F F
F F F F
F F F
F F
ˈ F
F F F ˈ
43 Chapter 5 Database System Mr.Warawut Khangkhan
44. F F
ˈ F F F 2
(Table) F ˈ (Row Record)
F (Column ʽ F Attribute)
F F F F
F F F
F Attribute Attribute F F
F “Relation” “Table”
44 Chapter 5 Database System Mr.Warawut Khangkhan
45. F F
45 Chapter 5 Database System Mr.Warawut Khangkhan
46. F
ˈ F F F
F F
F F F
(Object)” F Object
F F F ˈ
F( F Entity) F
F F “Attribute”
F F F
46 Chapter 5 Database System
F F F Mr.Warawut Khangkhan
47. F
Person
name
birthdate
Student Employee
entrydate hiredate
Teacher Support
47 Chapter 5 Database System Mr.Warawut Khangkhan
48. F
F F
F F
F F
F F ˈ F F F F
F ˈ F
Multi-valued F ˈ
F
F F
48 Chapter 5 Database System Mr.Warawut Khangkhan
49. F
ˈ F F F F
F F
F
F ˈ F F ˈ
49 Chapter 5 Database System Mr.Warawut Khangkhan
50. F
A 18,000
B 15,000
F A 10,000
F B 12,500
A 35,000
B 37,500
F A 25,000
F B 20,000
F A 20,000
F B 18,000
F F A 15,000
50 Chapter 5 Database System Mr.Warawut Khangkhan
F F B 12,500
51. F
1 (Region)
2 (Season)
51 3Chapter 5 Database System (Production Line) Mr.Warawut Khangkhan
52. F
F
F FF
FF F
“ (Slicing)”
F ˈ F
F F
Chapter 5 Database System
F (Dicing)
52 Mr.Warawut Khangkhan
53. F
“Slice and Dice” ˈ F
FF F F F F
(Data Mart and Data Warehouse)
F F F
(Online Analytical Processing :
OLAP)” ˈ FF
F F
F F F F F F ˈ F F F
53 Chapter 5 Database System Mr.Warawut Khangkhan
54. F
54 Chapter 5 Database System Mr.Warawut Khangkhan
55. F F
(Centralized Database)
F DBMS F F
F F ˈ F F
F F F F
F F
Central
Database
55 Chapter 5 Database System Mr.Warawut Khangkhan
56. F
(Distributed Database)
Database)
F DBMS F
F F F F ˈ
56 Chapter 5 Database System Mr.Warawut Khangkhan
57. F
(Distributed Database)
F ˈ 2 F F F
Homogeneous System - F F
F F DBMS F
F F F F FF F
F F
Heterogeneous System - F F
F DBMS F F F
F F F F F F
57 Chapter 5 Database System Mr.Warawut Khangkhan
58. F
ˈ F
ˈ F F
58 Chapter 5 Database System Mr.Warawut Khangkhan
59. F
F ˈ 3
(Conceptual Design)
(Logical Design)
(Physical Design)
59 Chapter 5 Database System Mr.Warawut Khangkhan
60. (Conceptual Database Design)
ˈ F F
F F F ˈ F
F Conceptual Schema”
60 Chapter 5 Database System Mr.Warawut Khangkhan
62. (Logical Database Design)
ˈ Conceptual Schema F
ˈ Logical Schema F F
F F Relation ( ˈ
F )
F ˈ Object ( ˈ
F )
F F F F F
F F F
F F F
62
F
Chapter 5 Database System
Normalization” Mr.Warawut Khangkhan
63. (Physical Database Model)
Logical Schema F
F F F
F F
F F F “Physical Schema”
F ˈ F F
63 Chapter 5 Database System Mr.Warawut Khangkhan
64. Normalization
F F F ˆ
F F
Normalization F
F F F F F ˈ
(Normal Form) ˆ
Update F F
Normalization 6 F F 1NF,
2NF, 3NF, BCNF, 4NF 5NF (NF –
64 Normal Form)
Chapter 5 Database System Mr.Warawut Khangkhan
65. Normalization
EmpId EmpName DepNo DeptName Salary CourseNo CourseName DateComplete
F F Employee F Normalization
Employee Department
EmpId EmpName DepNo Salary CourseNo DepNo DeptName
Course Employee_Course
CourseNo CourseName EmpId CourseNo DateComplete
F F Employee Normalization
65 Chapter 5 Database System Mr.Warawut Khangkhan
66. F F
66 Chapter 5 Database System Mr.Warawut Khangkhan
67. F F
F F (Minimal Redundancy)
F F (Data Inconsistency
Avoidance)
FF F F (Data Sharing)
F F F (Uniform
Security Privacy Control)
F F F (Integrity Control)
FF ˈ F F
(Data Independence)
67 Chapter 5 Database System Mr.Warawut Khangkhan
68. F
68 Chapter 5 Database System Mr.Warawut Khangkhan
69. F
(Policy)” F F F F F
F Fˈ F F
F F F F F
(Information Policy)
F F ˆ F
69 Chapter 5 Database System Mr.Warawut Khangkhan
70. F F F
F F ˈ F F
F F F ˈ F
F F ˈ
70 Chapter 5 Database System Mr.Warawut Khangkhan
71. F
F F (Data
Administration)”
F
F F
F F F F F
F F F F Data
Governance”
F FF F
71 Chapter 5 Database System Mr.Warawut Khangkhan
72. F
F
F F F ˈ F
F (Database
Administration)”
72 Chapter 5 Database System Mr.Warawut Khangkhan
73. F F F
73 Chapter 5 Database System Mr.Warawut Khangkhan
74. F
(Data Warehouse)
F (Data Warehouse)
F F F F
(Extract) F F F
F F F
F F
F F ˈ F F F F
F F F F F
ˈ F F F F F F
74
F ˈ
Chapter 5 Database System Mr.Warawut Khangkhan
ˈ F
75. F
(Data Warehouse)
F F ˈ F F
F F F F F F
F F F F F
F (Data Mart)”
F F F F F F F
F ˆ F
F F F “ F
(Data Mining)”
75 Chapter 5 Database System Mr.Warawut Khangkhan
76. 76 Chapter 5 Database System Mr.Warawut Khangkhan
77. F (Data Mining)
F F F F (Knowledge
Discovery)” ˈ F F F
F
F F F
F F F F ˂ F
F
F F F
FF
F F
77 F
Chapter 5 Database System F F F F F
Mr.Warawut Khangkhan
78. F
(Web Database)
F F F F
F F
F F F F
F ˈ ˁ F F
F “Static Web” F F
F F F
ˈ F F F F ˂ F
F F ˈ F
78
F “Dynamic Web”
Chapter 5 Database System Mr.Warawut Khangkhan
79. F
(Web Database)
F F F F
F F F F F F
F (Script) F F
F F F F FF
F F F F F F F
F F F F F
F F F F F
F
79 Chapter 5 Database System Mr.Warawut Khangkhan
80. F
(Web Database)
1.
Server IBM Compatible Client IBM Compatible
2. 4. HTML
3. ASP
HTML
80 Chapter 5 Database System Mr.Warawut Khangkhan
