การออกแบบฐานข้อมูล

1. Mr.Warawut Khangkhan
Facebook:
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E-Mail: awarawut@hotmail.com
Mobile: 089-461-9591
089-461-
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
Mr.Warawut Khangkhan Chapter 05 Database Design 21

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
Mr.Warawut Khangkhan Chapter 05 Database Design 22

23. Composite Key
F F F F F F
F ก Primary Key F F ก
ก F Composite Key
Mr.Warawut Khangkhan Chapter 05 Database Design 23

24. Foreign Key
F ( Many)
Fก F Primary Key ก
( One) 2 F
One-to-Many F ก
Mr.Warawut Khangkhan Chapter 05 Database Design 24

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