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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 using practical subscription datasets in this focused, practical course. Craft strong database structures, set strict rules, and create reliable CREATE TABLE scripts. Develop fast queries for monthly recurring revenue, annual recurring revenue, active subscriptions, late payments, and customer support data, while optimising indexes, handling updates, creating lifelike test data, and ensuring data accuracy for dependable reports and analysis.

Elevify advantages

Develop skills

  • Advanced SQL reporting: quickly create detailed MRR, ARR, and overdue reports.
  • Professional schema building: structure subscription info in normalised third normal form tables.
  • Strong rules and links: apply business logic using foreign keys, checks, and unique constraints.
  • Optimised indexing: speed up queries with clever combined and full-cover indexes.
  • Secure test data creation: produce realistic anonymised data via efficient bulk loading techniques.

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 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 really help with learning.
André Felipe
André FelipePrompt Engineering Student

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