Database systems

Database systems

General Information


Teaching Material

SUBJECTMATERIAL
Course introductionCourse introduction
Introduction to databasesIntroduction to databases
Relational modelRelational model (updated 2024-03-06)
Relational database designConceptual design: E-R model, DesignerFiles, ER restructuring and translation
Logical design: Traslation of ER schema into Relational model
Restructuring ER schema
SQL LanguageSQL Language: select, join, aggregated operators, group by (new – 2024-04-12)
SQL Language: in, not in (new – 2024-04-23)
SQL Language: update commands (new – 2024-04-30)
SQL Language: table management (new – 2024-04-30)
Business intelligenceData warehouse introduction (slides)
Data warehouse design (slides)
ETL (slides)
OLAP (slides)


Exercises

SUBJECTMATERIAL
Relational modelExercises on relational model
Design of relational databasesExercises con conceptual database design using ER model (exercise text)
Exercises on conceptual and logical database design
– AirQ company, Research organization, Forniture store (exercise text)
– Beauty farm (exercise text, draft solution)
– STEP Programme (exercise text, draft solution ER diagram)
SQL LanguageExercises on SQL Language: select, join: text, draft solution
Exercises on SQL Language: select, join, group by, having: text, draft solution
Exercises on SQL Language: in, not in: text, draft solution
Data warehouse designItalian household appliance company (exercise text, draft solution)
Property rent adverts (exercise text, draft solution) (new – 2024-06-10)
Italian wines (exercise text, draft solution) (new – 2024-06-10)


Laboratory Material

PracticeSubjectMaterial
15/04/2024Database designExercise text and draft solution
22/04/2024SQL Language (join, group by)Software : ORACLE APEX. Oracle Apex (online version) available at https://apex.oracle.com/ Using Oracle APEX online (guide)
Exercise text, Query output, Query solution
Scripts for database creation
29/04/2024SQL Language (join, group by, in, not in))Software : ORACLE APEX. Oracle Apex (online version) available at https://apex.oracle.com/ Using Oracle APEX online (guide)
Exercise text, Query output, Query solution
Scripts for database creation
06/05/2024Google Looker StudioPractice #1: Text (pdf)
Practice #2: Text (pdf, Video tutorials available on youtube channel)


Homework

General information on Homework. Homework delivery is optional. For each homework, students can obtain the corresponding points if the homework is delivered by the deadline. The final exam grade is defined by considering the evaluation of the written part, and, optionally, of the delivered homework. Points from homework are considered only if the grade of the written part is 18 or above. Homework texts are pisted on the Moodle platforma available on the Didactic portal.