PostgreSQL Essentials
Tables, Data Types, and Constraints
PostgreSQL Essentials
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Introduction to PostgreSQL
This topic introduces students to PostgreSQL, explaining what sets it apart from other database systems, and gets them set up with the tools needed to start working with it.
This topic covers the foundational SQL commands used to retrieve, add, modify, and remove data in PostgreSQL — the core operations every database user needs to know.
This topic teaches students how to properly structure a PostgreSQL database, covering how tables are defined and how relationships between them are established.
This topic teaches students how to combine data from multiple tables and summarize data using aggregate functions, essential skills for querying real-world databases
This topic highlights features that make PostgreSQL stand out from other relational databases, giving students hands-on experience with its more advanced and flexible capabilities.
This topic introduces the basics of database performance in PostgreSQL, helping students understand how indexes work and how to analyze and optimize slow queries.
This final topic lets students apply everything learned throughout the course by designing a database and writing queries for a complete, practical application.
This lesson introduces how to create tables in PostgreSQL, covering common data types (INTEGER, VARCHAR, DATE, etc.) and constraints like NOT NULL and UNIQUE that enforce data integrity.