PostgreSQL · primary cluster
SELECT * FROM orders JOIN users ON orders.user_id = users.id WHERE created_at > ...
UPDATE analytics SET page_views = page_views + 1 WHERE session_id = $1 AND ...
SELECT COUNT(*) FROM events WHERE type IN ('click', 'scroll', 'hover') GROUP BY ...
INSERT INTO audit_log (action, user_id, metadata, ip_address) VALUES ($1, $2, ...
DELETE FROM temp_sessions WHERE expires_at < NOW() - INTERVAL '24 hours' AND ...