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Intro To SQL Course

Intro To SQL Course
from 4 to 360h flexible workload
certificate valid in your country

What will I learn?

Introduction to SQL Course equips you with practical skills to query and manage relational databases confidently. You'll learn SELECT, filtering, sorting, aggregation, and joins, then advance to subqueries, EXISTS, and performance basics using indexes and EXPLAIN. Additionally, you'll design tables, define keys and constraints, and practise safe INSERT, UPDATE, DELETE, and transaction workflows for reliable, production-ready data handling.

Elevify advantages

Develop skills

  • Design relational schemas: model tables, keys, and constraints quickly.
  • Write clean SQL: CREATE TABLE, INSERT, UPDATE, DELETE with safe patterns.
  • Optimise queries: use indexes, EXPLAIN plans, and basic tuning in minutes.
  • Query data fluently: SELECT, JOINs, filters, GROUP BY, and aggregates.
  • Protect data: apply checks, soft deletes, and backup-aware workflows.

Suggested summary

Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.
André Felipe
André FelipePrompt Engineering Student

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