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Oracle Cloud Database Services 2025 Professional Actual Exam & 1z0-1093-25 Practice Vce & Oracle Cloud Database Services 2025 Professional Updated Torrent

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 4	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 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.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q79-Q84):

NEW QUESTION # 79
While operating a MySQL HeatWave cluster, you need to resize the HeatWave cluster to accommodate an increased workload. Which method is the most efficient and recommended way to scale the HeatWave cluster?

A. Recreating the HeatWave cluster with the desired size.
B. Manually altering the innodb_buffer_pool_size and restarting the MySQL server.
C. Performing a manual data export and import into a new, larger MySQL Database System.
D. Modifying the underlying VM shapes of the MySQL Database System.
E. Using the OCI CLI or Console to adjust the HeatWave cluster's shape and node count.

Answer: E

Explanation:
Scaling HeatWave Efficiently:
TheOCI CLI or Consoleprovides a streamlined way to scale the HeatWave cluster. You can easily change the shape and node countthrough the console without significant downtime. The system handles the necessary data redistribution and configuration updates automatically.
* This method minimizes disruption and is significantly faster than manual reconfiguration.
* OCI's automated scaling ensures that the cluster maintainsoptimal performancethroughout the operation.
Why the other options are incorrect:
* A:Adjusting buffer size affects memory, not cluster size.
* C:Changing VM shapes does not directly affect HeatWave.
* D:Recreating the cluster is inefficient and time-consuming.
* E:Manual export/import introduces downtime and is not efficient for scaling.

NEW QUESTION # 80
Which two of the following describe capabilities of the Database Management service in relation to database parameter management?

A. Database Management does not offer parameter management capabilities due to security concerns.
B. Database Management can automatically detect and correct parameter settings that deviate fromOracle- recommended best practices, regardless of the database edition.
C. Database Management facilitates comparing parameter settings between different databases or across different points in time for a single database.
D. Database Management provides recommendations for parameter tuning based on historical performance data.

Answer: C,D

Explanation:
B: Recommendations for parameter tuning:
* Database Management analyzes historical performance data and provides tuning recommendations.
* These recommendations align with Oracle best practices to optimize database performance.
C: Comparison of parameter settings:
* The service allows users to compare parameter configurations between different databases or across time points for a single database.
* This is useful for identifying changes or discrepancies that could impact performance.
Why the other options are incorrect:
* A. Automatic correction of parameters:Database Management does not automatically correct parameters; changes require manual intervention.
* D. Lack of parameter management:Incorrect statement, as the service does offer parameter management features.

NEW QUESTION # 81
Which two requirements must be met first to create an Exadata Database Service Instance?

A. You need to define the VCN, Private Client subnet, and Private Backup subnet.
B. You need to create an Exadata Infrastructure and VM Cluster resource.
C. There are no prerequisites for creating an Exadata Database Service instance.
D. You need to define the VCN, Private Client subnet, and Service Backup subnet.
E. You only need a VCN and Universal Cloud Credits.

Answer: A,B

Explanation:
C: Define VCN, Private Client subnet, and Private Backup subnet:
* These network components are necessary to ensure secure connectivity and backup configurations.
* TheVCN (Virtual Cloud Network)provides network isolation.
* ThePrivate Client subnetenables secure client connections.
* ThePrivate Backup subnetis required for secure access toOCI Object Storagefor backups.
E: Create Exadata Infrastructure and VM Cluster resource:
* Exadata Infrastructure represents the physical hardware.
* VM Cluster resource defines compute and storage resources for the databases.
* Both must be set up before provisioning the actual database instance.
Why the other options are incorrect:
* A. VCN and Universal Cloud Credits:Insufficient; more configuration is needed.
* B. Service Backup subnet:Incorrect, it should be aPrivate Backup subnet.
* D. No prerequisites:Incorrect; prerequisites include both network and infrastructure setup.

NEW QUESTION # 82
Which statement accurately reflects the impact of applying an Oracle-provided patch to the operating system on an Exadata Database Service instance using the Oracle Cloud Infrastructure (OCI) console?

A. The OCI console-initiated patch process updates the database software and the OS, allowing for a rolling update strategy on the database nodes, minimizing downtime. Storage nodes are updated separately.
B. The OCI console-initiated patch process only updates the database software, leaving the underlying OS untouched.
C. The OCI console-initiated patch process only patches the storage servers; database nodes require manual OS patching.
D. The OCI console-initiated patch process automatically updates both the database software and the underlying operating system on all compute and storage nodes concurrently.

Answer: A

Explanation:
OCI Patching Process:
The Oracle Cloud Infrastructure console simplifies the patching process by integrating bothdatabase software and OS patching. Therolling update strategyensures that one node at a time is patched, reducing the downtime associated with updating the entire cluster. The storage nodes are updated in a separate process to ensure data integrity and availability.
Why the other options are incorrect:
* A:The OCI console updates both the OS and database software.
* B:Updates are performed in a rolling fashion, not concurrently.
* D:The OCI console handles OS patching for both compute and storage nodes.

NEW QUESTION # 83
What is the primary processing paradigm employed by the HeatWave query accelerator for analytical workloads?

A. Key-value pair processing
B. Index-based processing
C. Row-based processing
D. Disk-based processing
E. Columnar processing

Answer: E

Explanation:
HeatWave's Processing Model:
HeatWave usescolumnar in-memory processingto optimize analytical workloads. Storing data in columns rather than rows allows HeatWave toprocess large datasets efficiently, reducing the volume of data scanned and improving query performance. This is crucial for OLAP operations that involveaggregating and analyzing data.
Why the other options are incorrect:
* A:Row-based processing is typical for OLTP workloads, not analytical.
* B:HeatWave operates primarily in memory, not disk.
* D:Indexing enhances performance but is not the primary processing paradigm.
* E:Key-value processing is typical in NoSQL databases, not analytical systems.

NEW QUESTION # 84
......

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