Database Design
0 likes476 views
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.
Database Design
- 1. Mr.Warawut Khangkhan Facebook: Facebook: http://www.facebook.com/AjWarawut Twitter: http://twitter.com/awarawut 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