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beginner 8 levels · ~45 min

SQL & Databases for Beginners: Zero to Hero

Tables, SELECT, JOINs, and how to safely change data - the skill behind nearly every backend, analyst, and admin job.

What You'll Learn
  • Understand what a database is and why SQL exists
  • Read and write basic SELECT/WHERE queries
  • Understand how JOINs connect related tables
  • Use aggregates and GROUP BY to summarize data
  • Safely INSERT, UPDATE and DELETE data
Course Outline
What Is a Database, Really?
Tables, Rows & Columns
SELECT, WHERE & Filtering Data
JOINs — Combining Tables
Aggregates, GROUP BY & Sorting
INSERT, UPDATE, DELETE & Data Safety
Career Path
Congratulations — You're Ready!
Quiz
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