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Databases & data

Administering PostgreSQL

Keeping a real, running database alive — installation, users, backups, restores, replication, and the tuning that keeps it fast under load.

What you'll actually learn

Running PostgreSQL past a first CREATE TABLE means owning things a tutorial never covers: real user and permission management, backups that actually restore when tested (not just taken), replication that keeps a second copy honestly in sync, and the tuning work that keeps queries fast once real load shows up. This track builds all of it on a genuinely running database, not a diagram of one.

What you'll be able to do

You'll set up backups, deliberately break the database, and restore it from what you built — the exact sequence a real outage demands, done once on purpose so it isn't the first time you do it under pressure. That rehearsal is the actual job of a database administrator, and it's the part that separates "I've used Postgres" from "I keep Postgres alive."

Syllabus

1Installing and Connecting to PostgreSQLcore~10 min
2Users, Roles, and Permissionscore~12 min
3Backups with pg_dumpcore~12 min
4Restoring a Backupcore~10 min
5Replication Conceptscore~12 min
6Performance Tuning Fundamentals: EXPLAINcore~13 min
7Connection Pooling Conceptscore~10 min
8Monitoring What Actually Matterscore~11 min
9Capstone: Keep This Database Aliveexpert~30 min

Frequently asked

How long does Administering PostgreSQL take to complete?

Roughly 2 hours across 9 hands-on quests — you can go at your own pace and pick up exactly where you left off.

What do I need to know before starting Administering PostgreSQL?

You should be comfortable with SQL in Practice, Linux Administration first — the skill tree unlocks Administering PostgreSQL once you've cleared those.

Is Administering PostgreSQL free to learn?

Yes — Administering PostgreSQL is fully available on the free tier, starting with a free first quest and no payment method required to sign up. Plus and Elite remove pacing limits but don't gate any of the Administering PostgreSQL curriculum behind a paywall.

Start this skill for free

Create a free account and begin your first quest — no card required.

Start free