SQL and PostgreSQL for Beginners: Become a SQL Expert Course Syllabus

A practical and easy-to-follow course that equips beginners with strong SQL and PostgreSQL fundamentals. This course is structured into 7 modules, totaling approximately 6.5 hours of content, designed to take you from zero to confidently writing and executing SQL queries in PostgreSQL. Each module combines theory with hands-on practice, culminating in a real-world project to solidify your skills.

Module 1: Introduction to Databases & SQL

Estimated time: 0.5 hours

• What is a database and why it matters
• Introduction to SQL and its role in data management
• Understanding relational database concepts
• The role and advantages of PostgreSQL

Module 2: Basic SQL Operations

Estimated time: 1 hour

• Writing SELECT queries to retrieve data
• Inserting data using INSERT statements
• Updating and deleting records with UPDATE and DELETE
• Filtering results with WHERE, ORDER BY, and LIMIT

Module 3: Functions, Operators & Expressions

Estimated time: 0.75 hours

• Using aggregate functions: COUNT, SUM, AVG
• Working with string functions
• Performing operations with numeric and date functions
• Building expressions and handling data types

Module 4: Joins & Relationships

Estimated time: 1 hour

• Understanding INNER JOIN and its use cases
• Implementing LEFT JOIN, RIGHT JOIN, and FULL JOIN
• Working with primary and foreign keys
• Querying related tables using JOINs

Module 5: Data Modeling & Table Management

Estimated time: 1 hour

• Creating tables with proper constraints
• Defining primary keys, foreign keys, and UNIQUE constraints
• Altering and dropping tables
• Indexing tables for performance

Module 6: PostgreSQL Tools & Environment Setup

Estimated time: 0.5 hours

• Installing PostgreSQL on your system
• Using pgAdmin and command-line interface (CLI)
• Connecting to a PostgreSQL database
• Executing and testing SQL queries

Module 7: Real-World Project & Practice

Estimated time: 1 hour

• Designing a mini database project
• Populating tables with sample data
• Writing and optimizing complex queries

Prerequisites

• Basic computer literacy
• No prior programming or database experience required
• A Windows, Mac, or Linux machine for PostgreSQL installation

What You'll Be Able to Do After

• Explain core database and SQL concepts clearly
• Write efficient SQL queries to manipulate and retrieve data
• Create and manage PostgreSQL databases and tables
• Use joins and functions to analyze relational data
• Complete a real-world database project from scratch