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1z0-1093-25 Valid Exam Discount & 1z0-1093-25 Test Dates

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

MySQL HeatWave Technical Overview: This section of the exam measures the skills of a MySQL Cloud Specialist and introduces MySQL HeatWave, Oracle’s high-performance analytics engine for MySQL. It includes provisioning, migrating existing MySQL databases to HeatWave, and working with its analytical and machine-learning capabilities. It also covers day-to-day operational activities within the MySQL HeatWave environment.

Topic 2

Oracle Cloud Infrastructure Database Management Service: This section of the exam measures the skills of a Cloud Operations Analyst and provides insight into Oracle’s Database Management Service on OCI. It focuses on enabling the service for databases, monitoring their performance, and performing diagnostic and tuning activities. It also covers tasks related to the administration of databases running on Oracle Cloud Infrastructure.

Topic 3

Exadata Database Service (ExaDB): This section of the exam measures the skills of a Database Infrastructure Engineer and focuses on the advanced Exadata Database Service. It includes the provisioning of Exadata systems, management of Exadata Cloud Infrastructure, and VM Cluster administration. It also evaluates knowledge of lifecycle management tasks and how to interact with various Exadata management utilities and interfaces.

Topic 4

NoSQL Database Service Technical Overview: This section of the exam measures the skills of a NoSQL Developer and explores Oracle’s NoSQL Database Service. It includes understanding the basics of NoSQL architecture, handling table-level security, rate limiting, and data modeling. It also covers concepts like provisioned throughput and the usage of language SDKs for interacting with NoSQL services on Oracle Cloud.

Topic 5

Base Database Service - VM (BaseDB): This section of the exam measures the skills of a Cloud Database Administrator and covers the foundational elements of Oracle’s Base Database Service. It includes understanding what the BaseDB service is, how to provision and manage it, and lifecycle operations such as backups, recovery, patching, and upgrades. It also tests familiarity with monitoring and management interfaces used to control and observe the BaseDB environment.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q52-Q57):

NEW QUESTION # 52
How does the HeatWave Lakehouse capability extend the analytical capabilities of MySQL HeatWave?

A. By providing a built-in ETL (Extract, Transform, Load) tool for data integration.
B. By creating a separate data warehouse in the cloud to store historical data.
C. By providing a graphical user interface for managing the MySQL database.
D. By enabling HeatWave to query data directly from object storage (e.g., Oracle Cloud Infrastructure Object Storage, Amazon S3) in various formats without requiring data loading.
E. By automatically replicating the MySQL database to a disaster recovery site.

Answer: D

Explanation:
B: Querying data directly from object storage without data loading:
* HeatWave Lakehouse extends MySQL HeatWave by allowing direct query execution on data stored in external object storage.
* Supports formats such asCSV,Parquet, andAvro.
* Eliminates the need for data import, making the process faster and more efficient for large datasets.
* Enhances HeatWave's capability to act as aLakehouseby unifying data warehousing and data lake functionalities.
Why the other options are incorrect:
* A. GUI for database management:Not related to analytical extension.
* C. Disaster recovery replication:Not related to Lakehouse functionality.
* D. Built-in ETL tool:Lakehouse focuses on query capability, not ETL.
* E. Separate data warehouse:HeatWave Lakehouse queries data in-place, not creating a separate warehouse.

NEW QUESTION # 53
If the provisioned read capacity units (RCUs) are consistently underutilized for a NoSQL Database Cloud Service table, what is the MOST direct consequence?

A. Increased storage efficiency.
B. Reduced data durability.
C. Unnecessary cost expenditure.
D. Improved query performance.

Answer: C

Explanation:
C: Unnecessary cost expenditure:
* In Oracle NoSQL Database Cloud Service, you pay for the provisioned RCUs regardless of actual usage.
* Consistently underutilized RCUs mean that you are incurring costs without fully utilizing the allocated resources.
* Proper capacity planning is crucial to optimize costs.
* To reduce expenses, monitor utilization and adjust RCUs accordingly.
Why the other options are incorrect:
* A. Improved query performance:While having adequate RCUs prevents throttling, over-provisioning does not inherently enhance performance.
* B. Increased storage efficiency:Storage is independent of RCUs, which relate to read throughput.
* D. Reduced data durability:Durability is not impacted by underutilized read capacity.

NEW QUESTION # 54
When using a NoSQL Database Cloud Service SDK, what is the purpose of handling exceptions or errors returned by the SDK?

A. To automatically recover from hardware failures in the cloud.
B. To provide detailed performance metrics to the database administrators.
C. To implement custom logic for handling specific error conditions, such as record not found or insufficient capacity.
D. To ensure data consistency by retrying failed operations.

Answer: C

Explanation:
Exception Handling in SDKs:
When developing applications using theOracle NoSQL Database Cloud Service SDK, it is essential to implementerror handling logic. This typically includes managing cases like:
* Record Not Found:Handling situations where a queried record does not exist.
* Insufficient Capacity:Managing requests when throughput limits are exceeded.
* Network Failures:Retrying operations or providing fallback mechanisms.The goal is to buildrobust and resilient applicationsthat gracefully handle unexpected conditions.
Why the other options are incorrect:
* A:Cloud infrastructure handles hardware recovery, not the SDK.
* B:While retrying may ensure consistency, it is the developer's responsibility to implement it.
* C:Performance metrics are gathered via monitoring tools, not exception handling.

NEW QUESTION # 55
Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?

A. Compare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).
B. Analyze the execution plan of a SQL statement and suggest alternative indexing strategies.
C. Generate a report highlighting the performance impact of a specific database change on a set of SQL statements.
D. Automatically rewrite SQL queries to improve their performance.

Answer: A,C

Explanation:
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.

NEW QUESTION # 56
Which statement accurately describes the patching process for Oracle Grid Infrastructure (GI) and ASM components on a BaseDB VM system when using user-managed patching?

A. Patching GI and ASM components is only required when the operating system of the VM is upgraded.
B. GI and ASM patching is fully automated by Oracle Cloud Infrastructure and requires no user intervention.
C. The DBA must manually download the GI and ASM patch bundles and apply them using the appropriate patching tools.
D. GI and ASM patching is integrated with the database patching process and is automatically handled when the database is patched.

Answer: C

Explanation:
B: Manual patching for GI and ASM:
* In auser-managed environment, the DBA is responsible for downloading and applying patches for Grid Infrastructure (GI)andAutomatic Storage Management (ASM).
* These patches are distinct fromdatabase patchesand need to be applied using tools likeopatchorOracle Universal Installer (OUI).
* The process involves:
* Downloading the patch from Oracle Support.
* Staging the patch on the server.
* Applying the patch using the appropriate commands.
Why the other options are incorrect:
* A. Fully automated by OCI:OCI does not automatically patch GI and ASM in user-managed environments.
* C. Integrated with database patching:GI and ASM patching is handled separately.
* D. Required only during OS upgrade:Incorrect, as patching is required independently for security and stability.

NEW QUESTION # 57
......

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