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Beginner SQL Course

5/5
Beginner SQL Course
5.0 in rating
flexible workload of 4 to 360h
valid certificate in your country

What will I learn?

This beginner SQL course teaches practical querying skills using real subscription and payment data. You will master SELECT, WHERE, ORDER BY, joins, set operations, GROUP BY, aggregates, HAVING for reporting, plus handling dates, NULLs, open-ended subscriptions, and defensive query design for accurate, efficient analytics.

Elevify advantages

Develop skills

  • Write precise SELECT queries to shape, filter, and sort data confidently.
  • Master table joins using INNER, LEFT, RIGHT, and FULL JOIN operations quickly.
  • Analyse key metrics with GROUP BY, HAVING clauses, and essential aggregate functions.
  • Manage dates and NULL values effectively to clean real-world subscription data.
  • Develop robust SQL queries through testing, avoiding errors, and optimising performance.

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 several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are 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 supplementary videos really help with learning.
Giulio Carlo
Giulio CarloPrompt Engineering Student

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