BACK TO ACADEMY
TECH_FOUNDATIONS
SQL & PostgreSQL
From SELECT to window functions, indexes and EXPLAIN — the SQL depth every backend engineer, data analyst or full-stack developer needs.
COURSE MODULES
1
SELECT, JOIN and the mental model of relations
25 min
2
Indexes, EXPLAIN, and query optimisation
30 min
TECH_FOUNDATIONS
+900 XP
5H
CERTIFICATION INCLUDED
Complete all modules and the final quiz to earn your OurTalents certificate.