4 lessons
What is PostgreSQL, and why does it exist?
The history and philosophy behind PostgreSQL, and why it's become the default choice for so many new projects.
Installing and setting up PostgreSQL properly
A real, thorough PostgreSQL setup: installation, roles and permissions, psql, and connecting from application code.
PostgreSQL-specific features that set it apart
JSONB, arrays, full-text search, and PostGIS - the features that go beyond the standard SQL covered so far in this course.
PostgreSQL in the cloud vs self-hosted: making the real decision
Managed cloud Postgres vs running it yourself - the actual trade-offs in cost, control, and operational burden, with real provider names.