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Comprehensive SQL Databases Course

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

What will I learn?

Gain expertise in SQL for subscription data management through this practical course. Design solid database schemas, apply strict constraints, and craft reliable CREATE TABLE scripts. Develop optimised queries for MRR, ARR, active subscriptions, overdue payments, and support data, while optimising indexes, handling migrations, creating realistic test data, and ensuring data integrity for dependable reports and analysis.

Elevify advantages

Develop skills

  • Advanced SQL analytics: rapidly create complex reports for MRR, ARR, and ageing data.
  • 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.
  • Performance-focused indexing: optimise queries using composite and covering indexes.
  • Secure data seeding: produce realistic anonymised test data with 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 interest without needing to change platforms... I'm grateful 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 really help with learning.
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André FelipePrompt Engineering Student

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