Most Recent Oracle 1Z0-1093-25 Exam Dumps

Prepare for the Oracle Cloud Database Services 2025 Professional exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-1093-25 exam and achieve success.

The questions for 1Z0-1093-25 were last updated on Apr 18, 2026.

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Question No. 1

Which two of the following statements are true regarding security considerations for managing Exadata Cloud Infrastructure and VM Clusters?

ACustomers are responsible for configuring host-based firewalls on the Exadata Infrastructure to protect against unauthorized access.

BNetwork Security Groups (NSGs) can be used to control network traffic to and from VM Clusters, enhancing security.

COracle manages all security aspects of the Exadata Infrastructure, relieving customers of any security responsibilities.

DCustomers have full access to the Exadata Infrastructure's hypervisor and can implement custom security policies.

ECustomers are responsible for configuring and maintaining the security of the operating system and database software within the VM Clusters.

Show Answer

Correct Answer: B, E

B . Network Security Groups (NSGs) for traffic control:

NSGs allow customers to define ingress and egress rules to control network traffic.

Enhances security by restricting access to only authorized IP ranges and protocols.

Applied at the VM Cluster level to manage connectivity efficiently.

E . Responsibility for OS and database security:

While Oracle manages the infrastructure layer, customers are responsible for securing the operating system and database within the VM Clusters.

This includes applying security patches, configuring firewalls, and implementing user access controls.

Why the other options are incorrect:

A . Host-based firewalls on Exadata Infrastructure: Oracle, not the customer, configures the infrastructure-level security.

C . Oracle managing all security: Incorrect, as customers manage VM-level security.

D . Access to hypervisor: Customers do not have hypervisor-level access for security configuration.

Oracle Exadata Cloud Infrastructure Documentation: Security Best Practices

Question No. 2

Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?

AAutomatically rewrite SQL queries to improve their performance.

BCompare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).

CGenerate a report highlighting the performance impact of a specific database change on a set of SQL statements.

DAnalyze the execution plan of a SQL statement and suggest alternative indexing strategies.

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Correct Answer: B, C

B . Compare SQL performance before and after changes:

SPA evaluates the effect of configuration changes, upgrades, or patches on SQL performance.

Provides insights into whether a change improves or degrades query performance.

C . Generate performance impact reports:

SPA generates reports summarizing the effects of specific changes on SQL workload performance.

Helps DBAs make informed decisions before implementing changes in production.

Why the other options are incorrect:

A . Automatically rewriting SQL: SPA does not modify queries; it only analyzes and compares performance.

D . Suggesting indexing strategies: SPA evaluates performance impacts, but indexing recommendations are made by the SQL Tuning Advisor.

Oracle Database Performance Tuning Guide: SQL Performance Analyzer

Question No. 3

How does HeatWave address the challenges of Online Analytical Processing (OLAP) compared to traditional row-based database systems?

AHeatWave uses a specialized indexing technique to speed up data retrieval.

BHeatWave employs a columnar data format in memory, enabling faster scans and aggregations for complex queries.

CHeatWave leverages a distributed caching mechanism to store frequently accessed data.

DHeatWave automatically shards the database to distribute the workload across multiple nodes.

EHeatWave leverages AI-powered indexing to optimize the data retrieval.

Show Answer

Correct Answer: B

HeatWave's Columnar Processing:

HeatWave improves OLAP performance by storing data in a columnar format in memory. This format is particularly efficient for analytical queries because:

It minimizes the amount of data read by only scanning the necessary columns.

Columnar storage supports vectorized processing, which significantly speeds up aggregation operations.

Being in-memory, it eliminates disk I/O bottlenecks, crucial for high-speed analytics.

Why the other options are incorrect:

A: Indexing is useful, but columnar storage is the primary driver of speed.

C: Caching improves access times but does not address the fundamental OLAP challenge of processing large datasets.

D: HeatWave distributes workload using parallel processing, not simple sharding.

E: AI-powered indexing is not a core feature of HeatWave.

Oracle MySQL HeatWave Documentation

Question No. 4

If the Database Management Service is failing to collect performance metrics from a cloud database, which is the LEAST likely cause?

AIncorrect IAM policies preventing the service from accessing the database.

BThe database is temporarily offline.

CThe Database Management Service instance is located in a different region than the database.

DThe database user account used by the Management Agent has been locked.

Show Answer

Correct Answer: C

Reasoning:

The Database Management Service can collect performance metrics from databases across different regions within the same OCI tenancy. Therefore, the geographic location of the service relative to the database is not a common issue.

More Likely Causes:

A: IAM policies that do not grant sufficient permissions are a common issue.

B: If the database is offline, no metrics can be collected.

D: A locked database user account used by the Management Agent will prevent data collection.

Why C is incorrect:

The Database Management Service can be configured to collect metrics from databases across regions, as long as network access and permissions are properly configured.

Oracle Database Management Service Troubleshooting Guide

Question No. 5

Oracle NoSQL Database Cloud Service's key-value model is well-suited for certain types of applications. Which of the following application scenarios would most directly benefit from the key-value data model's characteristics?

AAn application requiring complex analytical queries and joins across multiple related datasets.

BA social media platform needing to store and retrieve individual user profiles and their associated data quickly.

CA financial system requiring strict transactional integrity and complex relationships between accounts and transactions.

DA content management system needing to enforce a rigid schema for all documents and their metadata.

EAn enterprise resource planning (ERP) system managing intricate relationships between various business entities.

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Correct Answer: B

B . Social Media Platform:

Social media applications require quick retrieval of user profiles based on unique IDs.

The key-value model supports fast lookups and simple data associations, ideal for user-centric data.

The flexibility of storing user attributes in a single document enhances performance and scalability.

Why the other options are incorrect:

A . Complex analytical queries: Relational or analytical databases are better suited.

C . Financial systems: Require ACID compliance and complex joins, not suitable for key-value models.

D . Content management: Typically requires a more structured approach, better handled by document databases.

E . ERP systems: Need relational integrity and complex schema support.

Oracle NoSQL Database Documentation: Key-Value Model

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