SQL Basics Course
This course provides foundational SQL skills for querying relational databases, covering SELECT statements, filtering, joins, aggregation, and best practices for portable SQL across systems like MySQL, Postgres, and SQLite.

4 to 360 hours of flexible workload
certificate valid in your country
What Will I Learn?
The SQL Basics Course equips you with practical skills to query real relational databases quickly. You will learn SELECT fundamentals, filtering, sorting, and pagination, then progress to joins across multiple tables, keys, and data types. Practice core analytics patterns with aggregates, GROUP BY, and HAVING, and conclude with best practices for clear, portable, and debuggable SQL across popular database systems.
Elevify Advantages
Develop Skills
- Master SELECT queries: retrieve precise data swiftly from any relational database.
- Filter, sort, and paginate results: create clean, production-ready SQL reports.
- Join multiple tables: combine user, course, and enrolment data confidently.
- Aggregate data with GROUP BY: calculate KPIs and analytics in a few clear queries.
- Write portable, debuggable SQL: clean style that works on MySQL, Postgres, SQLite.
Suggested Summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
FAQs
Who is Elevify? How does it work?
Do the courses come with a certificate?
Are the courses free?
What is the course duration?
What are the courses like?
How do the courses work?
What is the duration of the courses?
What is the cost or price of the courses?
What is an online course and how does it work?
PDF Course