Free Course Preview · Track 1
Watch before you decide
Three real lessons from the Core DBA track. See the teaching style before you enroll.
PostgreSQL 18
Production-first
Hands-on labs
Real-time spring boot application
Want the full curriculum? Browse all course content at labs.postgreshelp.com →
Demo Lessons
Lesson Preview 01
Source Code Installation
Not just
make install — understand the source tree, what each step produces, and why it matters for production.Lesson Preview 02
Connection Establishment
What happens between
connect() and the first query — postmaster fork, auth flow, backend startup.Lesson Preview 03
PostgreSQL - Vacuum Deep Dive
Shared memory, VACUUM Deep Dive — the full picture every production DBA needs.
What's included in Track 1
PostgreSQL architecture internals
VACUUM & autovacuum deep-dive
Indexing — B-tree, BRIN, partial
Query tuning with EXPLAIN ANALYZE
Backup & PITR recovery
Connection management
Hands-on lab environment
Lifetime access + community
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