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Comprehensive SQL Databases Course

Comprehensive SQL Databases Course
flexible workload of 4 to 360h
valid certificate in your country

What will I learn?

Gain expertise in SQL using practical subscription data in this focused, hands-on course. Design strong database schemas, set clear constraints, and craft reliable CREATE TABLE statements. Build fast queries for MRR, ARR, active subscriptions, overdue payments, and key metrics, while optimising indexes, handling migrations, creating realistic test data, and ensuring data quality for solid reporting and analysis.

Elevify advantages

Develop skills

  • Advanced SQL analytics: quickly create complex MRR, ARR, and overdue reports.
  • Production-ready schema design: structure subscription data using clean 3NF tables.
  • Strong constraints and keys: apply business rules via foreign keys, checks, and unique constraints.
  • High-performance indexing: optimise queries with composite and covering indexes.
  • Secure data seeding: produce realistic anonymised test data using bulk insert methods.

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
Workload: between 4 and 360 hours

What our students say

Your lessons are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, and I've already recommended you to others...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.
Giulio Carlo
Giulio CarloPrompt Engineering Student

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