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Comprehensive SQL Databases Course

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

What will I learn?

Gain expertise in SQL for subscription data management through this practical course. Design strong database schemas, apply strict constraints, and craft reliable CREATE TABLE statements. Develop efficient queries for MRR, ARR, active subscriptions, overdue payments, and key metrics, while optimising indexes, handling migrations, creating test data, and ensuring data integrity for dependable analytics and reports.

Elevify advantages

Develop skills

  • Advanced SQL analytics: rapidly create complex MRR, ARR, and overdue reports.
  • Production-ready schema design: structure subscription data using normalised 3NF tables.
  • Strong constraints and keys: implement business logic via foreign keys, checks, and unique constraints.
  • Optimised indexing strategies: enhance query speed with composite and covering indexes.
  • Secure data seeding: produce realistic anonymised test data using efficient bulk inserts.

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 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.
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Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
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Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.
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André FelipePrompt Engineering Student

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