Database Design Using Entity-Relationship Diagrams phần 4 ppsx
Database Design Using Entity-Relationship Diagrams phần 4 ppsx
... Hogan H 3 84 88 Half Moon Ave. Arpan Bagui K 876 33 Bloom Ave Hema Malini 505 100 Livingstone COURSE cname c_number credit_hrs Database COP4710 4 Visual Basic CGS 346 4 3 Figure 4. 9: Sample ... Figure 4. 10 Exercise 4. 8 Refer to Figure 4. 9. Complete the diagram by adding a precise English description of each attribute. Map Figure 4. 9 to a relational databas...
Ngày tải lên: 13/08/2014, 12:21
Database Design Using Entity-Relationship Diagrams phần 5 ppsx
... 826-098- 0877 Sardar (850 )47 4-9873 109 Navy Blvd, Pensacola, FL 928-088- 76 54 Bagui (850 )47 4-9382 89 Highland Heights, Tampa, FL 982-876- 8766 Bush (850 )47 4-9283 987 Middle Tree, Mobile, ... 982-876- 8766 928-982- 9882 STORE MANAGER sm_ssn sm_name sm_salary 2 34- 987-0988 Saha 45 ,900 45 6-098-0987 Becker 43 ,989 928-982-9882 Ford 44 ,000 283-972-0927 Raja 38,988 n...
Ngày tải lên: 13/08/2014, 12:21
Database Design Using Entity-Relationship Diagrams phần 7 ppsx
... shown in Figure 8 .4 . Figure 8 .4: An Office Database with Specialization Entities, Full Participation and Disjoint According to Figure 8 .4 , all the furniture in the database is either ... student student # other sport info Baker 12 345 6789 … tennis 220, state rank 14 Adams 12 345 6788 … football tackle, neck brace Jones 12 345 5676 … golf handicap 3 Figure 7...
Ngày tải lên: 13/08/2014, 12:21
Database Design Using Entity-Relationship Diagrams phần 8 ppsx
... database would finally develop to (without the data): MALL-Store MALL 928-982-9882 44 ,000 OWNER so_ssn so_off_phone 879-987-0987 (850 )47 4-2093 826-098-0877 (850 )47 4-9873 928-088-76 54 ... dnum snum dm_ssn 987-7 54- 9865 501 1 276-263-9182 276-263-9182 502 1 null 982-928-2726 503 1 987-7 54- 9865 STORE MANAGER sm_ssn salary 2 34- 987-0988 45 ,900 45 6-098-0987 43 ,98...
Ngày tải lên: 13/08/2014, 12:21
Database Design Using Entity-Relationship Diagrams phần 6 pot
... Tanner 5050 8 945 PERSONNEL_SUPERVISOR employee_id super_id 8 945 9090 9090 null 3 841 9090 8767 9090 5050 8 945 Figure 6.10: An ER Diagram of the COURSE–INSTRUCTOR Database Finally, ... (ER) Diagrams, " Data Base Management , Auerbach Publications, Boca Raton, FL, 22-10 -43 , 1–17, April 2000. Hawryszkiewycz, I., Database Analysis and Design , SRA, Chicago, 19...
Ngày tải lên: 13/08/2014, 12:21
Database Design Using Entity-Relationship Diagrams phần 9 pptx
... schema, 24 models, 4 two-dimensional tables of, 8 Database, 8 , 54, 82, 136, 138, 166, 175, 233 applications, 187 creation, 77 definitions, 25 design of, 4 evolution of, 141 mapped, ... entities, 138 - 140 multiple relationships, 149 -150 recursive relationships, 145 - 149 many-to-many recursive relationship, 149 one-to-many recursive relationship, 148 - 149 one...
Ngày tải lên: 13/08/2014, 12:21