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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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.
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	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 5	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.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q25-Q30):

NEW QUESTION # 25
Which two prerequisites are required before you can provision a MySQL HeatWave DB system?

A. A configured OCI Vault with encryption keys for database security.
B. An OCI Compute instance to act as a client for the MySQL DB system.
C. A pre-configured MySQL database dump for initial data loading.
D. A MySQL Enterprise Edition license.
E. A Virtual Cloud Network (VCN) with appropriately configured subnets.

Answer: D,E

Explanation:
VCN Requirement (B):
AVirtual Cloud Network (VCN)with appropriate subnets is essential to providenetwork connectivity and isolationfor the HeatWave DB system. It ensures secure data flow within the Oracle Cloud Infrastructure.
License Requirement (E):
Since HeatWave is anenterprise feature, it requires aMySQL Enterprise Edition license.Without this license, the HeatWave functionalities cannot be utilized.
Why the other options are incorrect:
* A:Data loading can be performed post-provisioning.
* C:While encryption can be configured, it is not a prerequisite.
* D:An OCI Compute instance may be used as a client but is not mandatory for provisioning.

NEW QUESTION # 26
A critical query running on your HeatWave cluster is experiencing significant performance degradation.
Which tool or service should you use to identify and analyze the specific query causing the bottleneck?

A. OCI Bastion for secure access to the query execution environment.
B. OCI Vault for auditing query execution.
C. OCI Network Visualizer for analyzing network latency.
D. OCI Events for tracking query start and end times.
E. MySQL Slow Query Log and OCI Logging Analytics.

Answer: E

Explanation:
MySQL Slow Query Log:
TheMySQL Slow Query Logrecords queries that exceed a specified execution time threshold. It is essential for identifyinglong-running queriesthat may be causing performance bottlenecks.
OCI Logging Analytics:
By integrating the slow query log withOCI Logging Analytics, users can visualize query performance patterns, generate alerts, and identify the root cause of slow performance. This combination is powerful for detecting and addressingquery-specific issues.
Why the other options are incorrect:
* A:OCI Vault is used for managing encryption keys, not query performance.
* B:OCI Events track general occurrences, not detailed query performance.
* D:Network latency analysis is useful but not directly related to query analysis.
* E:OCI Bastion provides secure access, not performance analytics.

NEW QUESTION # 27
When migrating a MySQL instance to MySQL HeatWave, which method generally provides the MINIMAL downtime for large databases?

A. Utilizing MySQL replication to replicate data to the HeatWave instance and then performing a switchover.
B. Copying the data files directly from the source instance to the HeatWave instance.
C. Using mysqldump to create a logical backup and restoring it to the HeatWave instance.
D. Creating a physical backup using MySQL Enterprise Backup and restoring it to the HeatWave instance.
E. Using a third-party ETL tool to extract, transform, and load the data into the HeatWave instance.

Answer: A

Explanation:
Using MySQL Replication for Minimal Downtime:
Replication allows forreal-time synchronizationbetween the source MySQL instance and theHeatWave instance. Once the replication catches up, performing aswitchoverto the HeatWave instance ensures minimal disruption.
* This method is especially effective forlarge databases, as data is continuouslysynchronized during the migration process.
* The switchover itself incurs minimal downtime as the applications are redirected to the new instance.
Why the other options are incorrect:
* A:mysqldump and restore are time-consuming for large datasets.
* B:Physical backup and restore are faster than logical, but still involve significant downtime.
* D:Direct data file copying is risky and may cause data corruption.
* E:ETL processes are typically slow and prone to data consistency issues.

NEW QUESTION # 28
What is the primary processing paradigm employed by the HeatWave query accelerator for analytical workloads?

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

Answer: B

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 # 29
Which database lifecycle management operation in BaseDB requires the creation of a new database home and is non-reversible after completion?

A. Upgrading the Oracle Grid Infrastructure.
B. Enabling Automatic Storage Management (ASM).
C. Scaling the compute shape of the VM.
D. Applying an operating system patch.
E. Upgrading the Oracle Database software version.

Answer: E

Explanation:
Database Software Upgrade:
When upgrading theOracle Database software versionon aBaseDB VM, a newOracle Homeis created to house the upgraded software. Once the database is moved to this new home, the process isnot easily reversible.
* Rolling back would requiredowngrading, which is a complex and risky process.
* The new Oracle Home ensures that the upgraded database environment isisolated from the previous version, preventing compatibility conflicts.
Why the other options are incorrect:
* A:Grid Infrastructure upgrades can be managed independently of the database upgrade.
* B:Scaling VMs is a reversible operation.
* D:OS patches do not impact the Oracle Home directly.
* E:ASM configuration changes are reversible.

NEW QUESTION # 30
......

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1z0-1093-25 Reliable Study Materials - 1z0-1093-25 Exam Question

Real Oracle 1z0-1093-25 Exam Questions - Best Way To Get Success

Oracle 1z0-1093-25 Exam Syllabus Topics:

Oracle Cloud Database Services 2025 Professional Sample Questions (Q25-Q30):

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