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Comprehensive SQL Databases Course

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

What will I learn?

Gain expertise in SQL for subscription data management through this practical course. Design effective schemas, implement strict constraints, and create reliable CREATE TABLE statements. Develop optimised queries for MRR, ARR, active subscriptions, overdue payments, and key metrics, while optimising indexes, handling migrations, generating test data, and ensuring data integrity for accurate reporting and analysis.

Elevify advantages

Develop skills

  • Advanced SQL analytics: create complex MRR, ARR, and ageing reports efficiently.
  • Production-ready schema design: structure subscription data using normalised 3NF tables.
  • Strong constraints and keys: apply business rules via foreign keys, checks, and unique constraints.
  • Performance-focused 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 classes are perfect. I got the one-year package and finally have the chance to follow a range of topics I'm interested in without having to switch platforms... thank you for everything you do, 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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