https://neon.tech/postgresql/tutorial: Study Queries & Practical


🔥 1. Core PostgreSQL Concepts

Core Topics

What is PostgreSQL? Why is it different from other RDBMS?

PostgreSQL Data Types (Numeric, Character, Boolean, Date/Time, JSON, Arrays, hstore, ENUM, UUID, Geometric)

PostgreSQL Schema, Tables, and Constraints (Primary Key, Foreign Key, Unique, Check, NOT NULL, DEFAULT)

Normalization (1NF, 2NF, 3NF, BCNF, 4NF, 5NF) and Denormalization

Views, Materialized Views, and Temporary Tables

Stored Procedures, Functions, and Triggers

Practice Questions

1️⃣ What are the key differences between PostgreSQL and MySQL?

2️⃣ How does PostgreSQL handle composite types and arrays?

3️⃣ What is the difference between a View and a Materialized View?

Hands-On Practice

✔ Create a PostgreSQL schema with multiple tables using primary and foreign keys.

✔ Implement Materialized Views and compare their performance with normal views.


🔥 2. PostgreSQL Architecture & Internals

Core Topics