Autonomous Database Exam 2026/2027 – 300 Verified Questions & Correct Answers (A+ Graded Study Guide)

Autonomous Database Exam 2026/2027 – 300
Verified Questions & Correct Answers (A+ Graded
Study Guide)
Autonomous Database Exam 2026/2027 – 300 Verified Questions & CORRECT
ANSWER (A+ Graded Study Guide)

This study guide contains 300 carefully curated multiple-choice questions designed
to prepare you for your Autonomous Database examination. Work through each
question carefully, check the highlighted CORRECT ANSWER, and read the
EXPERT RATIONALE to reinforce your understanding before moving on.



Q1. What is Oracle Autonomous Database?

A. A manually managed relational database requiring constant DBA oversight B. A
cloud database that uses machine learning to automate administration C. An on-
premises database with automated backup only D. A NoSQL database with self-
healing capabilities E. A fully automated cloud database that self-tunes, self-
secures, and self-repairs

✦ CORRECT ANSWER: E EXPERT RATIONALE: Oracle Autonomous Database
is a fully automated cloud database service that uses machine learning to automate
routine database tasks including tuning, security, backups, updates, and repairs —
eliminating manual DBA administration.



Q2. Which cloud platform hosts Oracle Autonomous Database?

A. Microsoft Azure B. Amazon Web Services C. Oracle Cloud Infrastructure
(OCI) D. Google Cloud Platform E. IBM Cloud

✦ CORRECT ANSWER: C EXPERT RATIONALE: Oracle Autonomous Database
runs on Oracle Cloud Infrastructure (OCI), Oracle's own cloud platform designed to
provide high performance, security, and availability for enterprise workloads.



Q3. What does "self-tuning" mean in the context of Autonomous Database?

,A. The database manually adjusts settings when prompted by the DBA B. The
database requires weekly performance reviews by administrators C. The
database automatically optimizes performance without human intervention
D. The database tunes only storage configurations E. The database relies on third-
party tools for performance management

✦ CORRECT ANSWER: C EXPERT RATIONALE: Self-tuning means the
Autonomous Database continuously monitors workloads and automatically adjusts
indexes, memory, and query plans to maintain optimal performance — no DBA
action required.



Q4. Which of the following is NOT a key feature of Oracle Autonomous
Database?

A. Self-securing B. Self-repairing C. Manual patching required D. Self-tuning E.
Automatic backups

✦ CORRECT ANSWER: C EXPERT RATIONALE: Oracle Autonomous Database
applies patches automatically without downtime. Manual patching is not required,
making it a truly autonomous service.



Q5. What workload type does Autonomous Data Warehouse (ADW) primarily
support?

A. OLTP transactional processing B. Mixed workloads only C. Analytical and
data warehousing workloads D. NoSQL document storage E. Real-time streaming
only

✦ CORRECT ANSWER: C EXPERT RATIONALE: Autonomous Data Warehouse
(ADW) is optimized for analytical queries and data warehousing workloads, using
columnar storage and parallel query processing for fast analytics.



Q6. What workload type does Autonomous Transaction Processing (ATP)
primarily support?

,A. Batch analytics processing B. Data lake management C. OLTP transactional
workloads D. Machine learning training only E. Graph database operations
exclusively

✦ CORRECT ANSWER: C EXPERT RATIONALE: Autonomous Transaction
Processing (ATP) is optimized for high-speed OLTP workloads requiring fast,
concurrent transactions, making it ideal for applications needing real-time data
access.



Q7. Which scaling feature allows Autonomous Database to handle sudden
spikes in demand?

A. Manual node addition B. Pre-allocated fixed compute C. Auto scaling D. Load
balancer configuration E. Horizontal sharding

✦ CORRECT ANSWER: C EXPERT RATIONALE: Auto scaling allows the
Autonomous Database to automatically increase compute resources up to three
times the base OCPU count during demand spikes, ensuring performance without
manual intervention.



Q8. What is the maximum auto scaling multiplier for Autonomous Database
compute resources?

A. 2x the base OCPUs B. 3x the base OCPUs C. 5x the base OCPUs D. 10x the
base OCPUs E. Unlimited scaling

✦ CORRECT ANSWER: B EXPERT RATIONALE: When auto scaling is enabled,
Autonomous Database can scale compute resources up to three times the base
OCPU allocation automatically during peak workloads.



Q9. What does OCPU stand for in Oracle Cloud?

A. Oracle Central Processing Unit B. Oracle Compute Unit C. Optimized Cloud
Processing Unit D. Oracle CPU Platform Unit E. Online Compute Processing Unit

, ✦ CORRECT ANSWER: B EXPERT RATIONALE: OCPU stands for Oracle
Compute Unit, which is Oracle's unit of CPU measurement in its cloud services,
equivalent to one physical CPU core with hyperthreading enabled.



Q10. Which tool can be used to load data into Autonomous Database from
object storage?

A. SQLLoader only B. Data Pump exclusively ** C. Oracle Data Pump, SQLLoader,
and the built-in Load Data wizard** D. Only third-party ETL tools E. Manual INSERT
statements only

✦ CORRECT ANSWER: C EXPERT RATIONALE: Autonomous Database
supports multiple data loading methods including Oracle Data Pump, SQL*Loader,
and the built-in graphical Load Data wizard, providing flexibility for various data
ingestion scenarios.



Q11. What is the purpose of the Autonomous Database "Always Free" tier?

A. It provides unlimited production-level resources for free B. It offers two
Autonomous Databases with limited resources at no cost for learning and
development C. It replaces paid tiers for small businesses D. It is only available for
government organizations E. It provides free access to all OCI services

✦ CORRECT ANSWER: B EXPERT RATIONALE: The Always Free tier provides
two Autonomous Databases with limited OCPUs and storage at no cost, enabling
developers and students to learn and build without incurring charges.



Q12. What is Oracle APEX in the context of Autonomous Database?

A. An advanced performance tuning tool B. A low-code application
development platform included with Autonomous Database C. A backup and
recovery service D. An external third-party reporting tool E. A command-line
administration utility