4 courses · $299 to $999

Databases, SQL & APIs Courses

You write your first queries, join tables, test APIs with Postman and learn to speed up slow queries in PostgreSQL.

Start here: SQL Foundations, beginner, $399.

All Databases & SQL courses

Sorted from beginner to advanced.

Beginner · 4 weeks

Databases and tables, filtering and sorting, aggregates, store reports project.

Project-based

$399 View course →

Intermediate · 3 weeks

Keys and relations, join types, complex joins, reports.

Self-paced course

$299 View course →

Intermediate · 8 weeks

Postman basics, variables, tests, automation, documentation, cohort review.

Cohort program

Advanced · 4–5 weeks

Query plans, indexes, advanced queries, concurrency, tuning report.

Guided project

$499 View course →