Understanding Databases for Web Programming

Published: 23 March 2024
on channel: Prof. Obetz

In this video, we introduce some fundamental concepts in data modeling, and discuss how we can model data relations using UML. We examine the different cardinalities of data relations, and discuss how these are typically implemented in a relational database such as Postgres.

0:00 Introduction
1:58 Layers of Data Modeling
5:22 Unified Modeling Language
7:37 Cardinality of Relations
13:24 Dealing with Many-to-Many in Databases
15:57 Relational Databases
18:35 SQL, Conceptually
21:37 Summary

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