The document discusses database design concepts including entities, attributes, and relationships. It provides examples of different types of relationships between entities like one-to-one, one-to-many, and many-to-many. Specific examples include the relationship between customers and orders entities, and the attributes for each entity like customer name and order date. The document also shows how these concepts map to tables, records, and fields in a relational database.

1. Mr.Warawut Khangkhan
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5ก ก F
(Database Design)

2. กF ก F F F ก F
กF
ก ก F F
ก ก F
F F
F F F F ก F ก
ก F FF ก
Mr.Warawut Khangkhan Chapter 05 Database Design 2

3. F ก ก F
(Entity)
F (Attribute)
F (Relationships)
Mr.Warawut Khangkhan Chapter 05 Database Design 3

4. (Entity)
F F
F F F ก F F ก ก
ก F ก F ก ก
F ก F กF F ก
F
ก F F
(Customers) (Orders) (Products)
Mr.Warawut Khangkhan Chapter 05 Database Design 4

5. F (Attribute)
F ก
กF F F
ก F (Customers)
กF
กF
FกF F( )
F
F
Mr.Warawut Khangkhan Chapter 05 Database Design 5

6. F (Attribute)
(Orders) F (Products)
F
F F
F F F F
กF F F
F F
F F
F F
Mr.Warawut Khangkhan Chapter 05 Database Design 6

7. F (Relationships)
ก F (Customers) (Orders)
F กF 1 N
F กF F
F FกF F F
F กF
F F
F
F
Mr.Warawut Khangkhan Chapter 05 Database Design 7

8. F F (Relational Database)
ก
ก F (Customers) (Orders)
F กF
1 N
กF F
F FกF F F
F ก F F F กF
F F
F ก
F
F
Mr.Warawut Khangkhan Chapter 05 Database Design 8

9. F F F
F (Field) / F (Attribute)
F F ก กก F ก
F (Record) / (Tuple)
ก F F ก
(Table) / (Relation)
ก F F ก
Mr.Warawut Khangkhan Chapter 05 Database Design 9

10. F F F
Field
ก F F ก F F กF
003 P&S STORE 1 F 159 21 ( ก) ก .
015 Happy Shop 29 . F F ก
Record
181 The Book Shop Asia Hotel 296 . ก
213 P'S Line 2675 F9 F .95 ก ก .
008 The Bookseller 428 Rama I Road, Siam Square Bangkok.
Mr.Warawut Khangkhan Chapter 05 Database Design 10

11. F (Relationships)
F F
(One-to-One Relationships)
F FกF
(One-to-Many Relationships)
F กF FกF
(Many-to-Many Relationships)
Mr.Warawut Khangkhan Chapter 05 Database Design 11

12. One-to-
One-to-One Relationships (1:1)
F F F ก
F 1 F Fก
ก F 1 F ก F F
ก 1 F F F
F F 1:1
Mr.Warawut Khangkhan Chapter 05 Database Design 12

13. F
F F F F F ( )
1:1 0005
0100
F
F
F 90 219.63
219.63
Yes
Yes
0125 SALES MANAGER FACTOMATIC 700.93 No
0051 SECRETS OF STARGATE 1,842.99 No
0010 US ATLAS 540.19 No
0007 VIDEO CONFERENCING CARD-FLY VIDEO OF SOUND 369.16 Yes
0008 กF F Panasonic Model VHS F NV-VX3 260.00 Yes
0023 JAPANESE 1, LIYC 278.00 No
0055 JAPANESE 2, LIYC 278.00 No
1
F
F F F
0005 F F 90 400
0100 F 155
0125 SALES MANAGER FACTOMATIC 169
0051 SECRETS OF STARGATE 197
0010 US ATLAS 159
0007 VIDEO CONFERENCING CARD-FLY VIDEO OF SOUND 205
0008 กF F Panasonic Model VHS F NV-VX3 177
Mr.Warawut Khangkhan 0023 Chapter 05 Database Design
JAPANESE 1, LIYC 326 13
1 159
0055 JAPANESE 2, LIYC

14. One-to-
One-to-One Relationships (1:1)
F 1:1
F
F F F ก
ก F F ก F
F F ก F
ก F
Mr.Warawut Khangkhan Chapter 05 Database Design 14

15. One-To-
One-To-Many Relationships (1:N)
(1
F F
F
F F F 1
F Fก F 2
F กก F ก F กF
F F F F F
กF F
Mr.Warawut Khangkhan Chapter 05 Database Design 15

16. กF
1:N กF
003
F กF
P&S STORE
F ก F
1 F 159 21 ( ก) ก .
1 015 Happy Shop 29 . F F ก
181 The Book Shop Asia Hotel 296 . ก
213 P'S Line 2675 F9 F .95 ก ก .
008 The Bookseller 428 Rama I Road, Siam Square Bangkok.
F N
ก F กF F F F F F F F (%)
10258 015 21/10/xx 28/10/xx 0005 8 25.00%
0100 8 0.00%
N
0125 15 0.00%
10265 181 21/10/xx 27/10/xx 0005 31 0.00%
0010 15 0.00%
10278 015 24/10/xx 3/11/xx 0007 16 0.00%
0008 31 25.00%
0023 4 0.00%

17. Many-to-
Many-to-Many Relationships (M:N)
F F F FF
ก F F F
F F F Many-to-One ก
2 F Many-to-Many
Relationships
Mr.Warawut Khangkhan Chapter 05 Database Design 17

18. Many-to-
Many-to-Many Relationships (M:N)
F F กF
F F กF 1 F
ก ก F F F
F ก F F Fก F
Many-to-Many
Mr.Warawut Khangkhan Chapter 05 Database Design 18

19. ก F
N
ก F F F F F (%)
M:N N
10258 0005 8 25.00%
F 10258 0100 N 8 0.00%
N
ก F ก F F F F 10258 0125 15 0.00%
1 10258 015 21/10/xx 28/10/xx 10265 0005 31 0.00%
10265 181 21/10/xx 27/10/xx 10265 0010N 15 0.00%
10278 015 24/10/xx 3/11/xx 10278 0007 16 0.00%
10278 0008 31 25.00%
10278 0023 4 0.00%
F
F F F F F ( )
1 0005 F F 90 219.63 Yes 400
0100 F 219.63 Yes 155
0125 SALES MANAGER FACTOMATIC 700.93 No 169
0051 SECRETS OF STARGATE 1,842.99 No 197
0010 US ATLAS 540.19 No 159
0007 VIDEO CONFERENCING CARD-FLY VIDEO OF SOUND 369.16 Yes 205
0008 กF F Panasonic Model VHS F NV-VX3 260.00 Yes 177
0023 JAPANESE 1, LIYC Chapter 05 Database Design 278.00 No 326
0055 JAPANESE 2, LIYC 278.00 No 159

20. F F F
Primary Key: PK ( F ก)
Candidate Key ( F F F )
Composite Key
Foreign Key: FK
Mr.Warawut Khangkhan Chapter 05 Database Design 20

21. Primary Key: PK
F F F ก F F
F F Primary Key
F
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22. Candidate Key
F F ก F
Primary Key F Fก F ก
F F ก F ก F
F ก F F F F ก FF F
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23. Composite Key
F F F F F F
F ก Primary Key F F ก
ก F Composite Key
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24. Foreign Key
F ( Many)
Fก F Primary Key ก
( One) 2 F
One-to-Many F ก
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25. ก F
ก F F F F F (%)
N 10258 0005 8 25.00%
1
F 10258 0100 8 0.00%
ก F กF F F F 10258 0125 15 0.00%
10258 015 21/10/xx 28/10/xx 10265 0005 31 0.00%
10265 181 21/10/xx 27/10/xx 10265 0010 15 0.00%
10278 015 24/10/xx 3/11/xx 10278 0007 16 0.00%
10278 0008 31 25.00%
Primary Key
10278 0023 4 0.00%
Foreign Key Composite Key
Mr.Warawut Khangkhan Chapter 05 Database Design 25

26. ก ก F
ก ก F F
(Application Database)
F ก
F
Mr.Warawut Khangkhan Chapter 05 Database Design 26

27. F ก ก F
F F F
ก ก FF
F F กF F
F ก( F ก F ก)
ก ก ก F F F F F
F
F F F ก
Mr.Warawut Khangkhan Chapter 05 Database Design 27

28. ก ก F
1. ก ก F
2. ก F ก F F
3. ก F F F
4. ก F F F
ก ก Normalization
Mr.Warawut Khangkhan Chapter 05 Database Design 28

29. Normalization
F ก F F F
ก F ก กF Fก
F ก Normalization
F F F F F กF F
Fก กF F
FF
Fก F F ก F
F F F F
Mr.Warawut Khangkhan Chapter 05 Database Design 29

30. F F ก Normalization
0NF
F F กF ก (Repeating Group)
1NF
F F F F F F ก F F F
2NF
F F F ก F F F PK
3NF Candidate Key
F F ก Fก ก F (Multivalve Dependency)
4NF
Mr.Warawut Khangkhan Chapter 05 Database Design 30

31. ก F 1 (First Normal Form)
F F F F ก F
F F ก F 1 F F
ก ก F F ก ก F F
Mr.Warawut Khangkhan Chapter 05 Database Design 31

32. ก F 2 (Second Normal Form)
F ก F 2 F F F F F
F ( ก F Non-key Attribute) ก F
F F ก F ก F ก
F
F F ก F 2 ก ก F
ก F F กก F
F ก F F
Mr.Warawut Khangkhan Chapter 05 Database Design 32

33. ก F 3 (Third Normal Form)
F ก F 2 F F F
ก F F F F ก F
F F
F F ก F 3 F ก
ก F ก F ก F
F ก F F F F
Mr.Warawut Khangkhan Chapter 05 Database Design 33

34. ก F 4 (Fourth Normal Form)
F ก F 4 F F ก Fก
ก F (Multivalve Dependency) F
Many-to-Many ก F
ก FB F FA ก
Fก กก F FC
F F ก F 4 F ก
F ก F F ก F ก F
Mr.Warawut Khangkhan Chapter 05 Database Design 34

35. E-R Diagram
Mr.Warawut Khangkhan Chapter 05 Database Design 35