1. POSTGRESQL www.elarion.com [email_address] Never stop improving quality

2. PostgreSQL Database diagram

Database diagram l g?

3. Cch to database diagram trong cho c s d liu trong PostgreSQL. 4. PostgreSQL Database diagram

Database diagram l g

• Database diagram l s m t cc bng d liu (bao gm cc thuc tnh, cc kha, function, trigger...) c trong mt c s d liu v cc mi quan h gia chng vi nhau.

5. Cc mi quan h ny gm c:

• • Mi quan h mt nhiu
• 6. Mi quan h mt mt

7. ...

8. PostgreSQL Database diagram

V d database diagram:

9. PostgreSQL Database diagram

Cch to database diagram cho c s d liu trong PostgreSQL

• to database diagram cho CSDL trong PostgreSQL ta c th s dng mt trong cc tool sau:

• • PostgreSQL Maestro
• 10. PgDesigner

11. MicroOLAP Database Designer for PostgreSQL

12. ... 13. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• Download: http://www.sqlmaestro.com/products/postgresql/maestro/

14. u im:

• • D s dng
• 15. C th v diagram t CSDL c sn hoc to mt CSDL mi.

16. Diagram c th xut ra nhiu loi file: file hnh, file sql, file html....

• Nhc im: dng th 30 ngy

17. PostgreSQL Database diagram

Giao din PostgreSQL Maestro

To CSDL mi Thm vo CSDL c To mi bng, view, V diagram To cc cu query Thc thi cc cu query 18. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• Thm vo CSDL c

Ni t CSDL Tn host Cng Mt khu host 19. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• Thm vo CSDL c

CSDL c trong Postgres CSDL s v diagram 20. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• Thm vo CSDL c

Yu cu ng nhp Postgres Duy tr kt ni ti PostgresKt ni khi bt u Cp nht d liu mi khi kt ni 21. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

Nhn y v diagram 22. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

Nhn y v diagram Ko v th cc bng vo khung v To quan h To mt bng mi 23. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• To kha ngoi

Nhn v ko t bng mun to kha ngoiti bng khc 24. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• To kha ngoi

Tn kha ngoi Ct mun to kha ngoi Bng tham chiu Ct tham chiu Hnh ng khi sa hoc xa trn ct tham chiu

NO ACTION: khng th sa/xa

25. CASCADE:sa/xa bn bng c dng tham chiu ti

SET NULL : t gi tr null bn bng

c dng tham chiu ti 26. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

• To kha ngoi

27. PostgreSQL Database diagram

S dng PostgreSQL Maestro to database diagram

Nhn y xut ra file hnh 28. 29. PostgreSQL Questions & Answers ? 30. PostgreSQL Thanks for your attention!