PostgreSQL Skills Tests

PostgreSQL — Beginner

Core SQL with PostgreSQL flavor: types, constraints, DML, and basic DDL. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Python + PostgreSQL + Docker — Intermediate

Compose networking, Alembic/Django migrations, SQLAlchemy pools, secrets, volumes, and everyday incidents when a Python service talks to Postgres in containers.

PostgreSQL — Intermediate

CTE, upserts, indexing strategies, and planner basics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Node.js + PostgreSQL + Docker — Intermediate

Compose networking, migrations, connection pools, secrets, volumes, and everyday incidents when a Node service talks to Postgres in containers.

PostgreSQL — Advanced

WAL, replication, vacuum strategy, and advanced planner/storage topics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

NestJS + PostgreSQL + Docker — Advanced

Production scenarios covering configuration, health checks, connection management, migrations, container security, observability, resource limits, and database transport security.