Description
CTE, upserts, indexing strategies, and planner basics.
Questions
16
Time Limit
32 minutes
Passing score
70%
Languages
English, Русский
Your progress will be saved automatically
You can start without an account. Sign up later to keep your results.
Similar tests
More tests on the same topic — often other difficulty levels.
Core SQL with PostgreSQL flavor: types, constraints, DML, and basic DDL.
Joint scenarios for a Python service, Postgres, and Compose: DNS and startup, Alembic migrations, SQLAlchemy pools, secrets, volumes, health checks, and image layers.
Joint scenarios for a Node service, Postgres, and Compose: DNS and startup, migrations, pools, secrets, volumes, health checks, and image layers.
Production scenarios covering configuration, health checks, connection management, migrations, container security, observability, resource limits, and database transport security.
WAL, replication, vacuum strategy, and advanced planner/storage topics.
Before you start
Do I need an account?
No. You can start right away. An account saves results, retries, and progress across devices.
Is there a time limit?
Yes — about 32 minutes for this test.
What score do I need to pass?
You need 70% correct across 16 questions.
Will I see the correct answers?
This test shows your score only; a full answer walkthrough is not enabled.
Which languages is this test available in?
Published versions: English, Русский.