INFO20003 Week 6 Lab Objectives: • Learn unary and outer joins in SQL • Self-test your SQL skills Section 1: Continuing SQL Unary joins Unary joins are a type of join where the table is joined to itself. Within our Department store schema, employees can be bosses of other employees. Sometimes we will need to […]
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 05 Modelling with MySQL Workbench INFO20003 Database Systems Week 3 1 Coverage • Modelling with MySQL Workbench • Recap & further design – Conceptual Design – Logical Design – Physical Design INFO20003 Database Systems © University of Melbourne 2 Conventions of ER Modelling (Workbench) • Entity • Identifier
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 01 What are Database Systems? INFO20003 Database Systems Week 1 1 Data vs Information • Data – known facts stored and recorded – can include: text, numbers, dates, plus images, sound, video, and other complex objects • Information – Datapresentedincontext(canbesummariseddata) – Datathathasbeenprocessedincreasingtheusersknowledge • Data vs Information – Data
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INFO20003 Tutorial – Week 11 Solutions Objectives: This tutorial will cover: (Tutorial: Data warehousing) I. Understand the fundamentals of dimensional modelling – 20 mins II. Design a dimensional model using Kimball’s four-step design process – 25 mins III. Discuss the impact of grain on fact tables – 10 mins Key Concepts: NOTE for students: This
I. II. III. IV . Understand the concepts of NoSQL databases – 15 mins Choosing appropriate NoSQL database types for scenarios – 10 mins CAP theorem with respect to NoSQL databases – 10 mins Revision INFO20003 Tutorial – Week 12 Solutions Objectives: This tutorial will cover: (Tutorial: NoSQL and Revision) Key Concepts: NOTE for students:
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 04 Relational Model & Translating ER diagrams INFO20003 Database Systems Week 2 1 Coverage • Relational Model • Keys & Integrity Constraints • Translating ER to Logical and Physical Model Readings: Chapter 3, Ramakrishnan & Gehrke, Database Systems INFO20003 Database Systems © University of Melbourne 3 Relational Data
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 10 Storage and Indexing Week 5 1 INFO20003 Database Systems © University of Melbourne • • SQL An investment bank wants to have a database to provide it with the ability to store information about its trading operations. The bank essentially works with customers by providing the capability
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 07 Relational Algebra Week 4 1 INFO20003 Database Systems © University of Melbourne What we have done so far Modelling (ER) create_tables.sql Database How do we manipulate with relations? SQL: • • Language for data manipulation Allow to create/delete tables, add/update/remove data, etc Introduced next time Relational algebra:
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CS W4111.001 Introduction to Databases Fall 2020 Computer Science Department Columbia University 1
Objectives: This tutorial will cover: INFO20003 Tutorial – Week 11 (Tutorial: Data warehousing) I. Understand the fundamentals of dimensional modelling – 20 mins II. Design a dimensional model using Kimball’s four-step design process – 25 mins III. Discuss the impact of grain on fact tables – 10 mins Key Concepts: • Data warehouse • Business
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