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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	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	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	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.

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

NEW QUESTION # 25
Within an IAM policy for Oracle NoSQL Database Cloud Service, what is the purpose of the "resource" element when defining table access permissions?

A. To specify the IAM group that the policy applies to.
B. To set the expiration date for the IAM policy.
C. To determine the geographical region where the NoSQL database is located.
D. To define the specific NoSQL table or tables to which the policy's permissions apply.

Answer: D

Explanation:
B: Define specific NoSQL table permissions:
* The"resource"element specifies which Oracle NoSQL tables the IAM policy will apply to.
* It allows fine-grained access control by linking specific tables to permission statements.
* This ensures that only authorized users or groups can perform operations on specified tables.
Example IAM Policy Syntax:
{
"action": "nosql:table:read",
"resource": "ocid1.nosqltable.oc1..exampleuniqueID",
"effect": "allow"
}
Why the other options are incorrect:
* A. Specify IAM group:Groups are defined in the"subject"element, not the "resource" element.
* C. Geographical region:The region is usually part of theOCID(Oracle Cloud Identifier), not directly specified in the resource element.
* D. Set expiration date:Expiry is not defined within the "resource" element.

NEW QUESTION # 26
How does HeatWave address the challenges of Online Analytical Processing (OLAP) compared to traditional row-based database systems?

A. HeatWave automatically shards the database to distribute the workload across multiple nodes.
B. HeatWave leverages AI-powered indexing to optimize the data retrieval.
C. HeatWave employs a columnar data format in memory, enabling faster scans and aggregations for complex queries.
D. HeatWave leverages a distributed caching mechanism to store frequently accessed data.
E. HeatWave uses a specialized indexing technique to speed up data retrieval.

Answer: C

Explanation:
HeatWave's Columnar Processing:
HeatWave improves OLAP performance by storing data in acolumnar formatin memory. This format is particularly efficient foranalytical queriesbecause:
* It minimizes the amount of data read by only scanning thenecessary columns.
* Columnar storage supportsvectorized processing, which significantly speeds up aggregation operations.
* Beingin-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 usingparallel processing, not simple sharding.
* E:AI-powered indexing is not a core feature of HeatWave.

NEW QUESTION # 27
Which statement accurately describes the inherent trade-offs often associated with choosing a NoSQL database over a traditional relational database?

A. NoSQL databases provide simplified querying capabilities using standard SQL, enhancing developer productivity and reducing the learning curve.
B. NoSQL databases universally guarantee stronger data consistency than relational databases, but at the expense of increased operational complexity.
C. NoSQL databases offer superior data integrity and reduced operational overhead compared to relational databases, making them ideal for transactional systems.
D. NoSQL databases typically sacrifice strict data consistency (ACID) to gain horizontal scalability and higher availability.

Answer: D

Explanation:
Trade-offs with NoSQL Databases:
NoSQL databases are designed toscale horizontallyby adding more nodes rather than scaling vertically by increasing hardware capacity. To achieve this scalability andhigh availability, NoSQL systems often adopt theBASE model(Basically Available, Soft state, Eventually consistent) rather than the strictACID model (Atomicity, Consistency, Isolation, Durability) typical of relational databases.
* This means thatdata consistencymay be relaxed (eventual consistency) to allow faster reads and writes.
* These characteristics make NoSQL suitable forlarge-scale, distributed systemsbut less ideal for applications requiringimmediate consistency, such as banking systems.
Why the other options are incorrect:
* A:NoSQL does not guarantee stronger consistency than relational databases.
* C:NoSQL typically does not offer superior data integrity for transactional workloads.
* D:SQL-based querying is usually not available in NoSQL, as they often have their own query mechanisms.

NEW QUESTION # 28
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 only need a VCN and Universal Cloud Credits.
C. You need to define the VCN, Private Client subnet, and Service Backup subnet.
D. There are no prerequisites for creating an Exadata Database Service instance.
E. You need to create an Exadata Infrastructure and VM Cluster resource.

Answer: A,E

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 # 29
Which of the following is a TRUE statement regarding the storage options typically available when launching an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM)?

A. Block Volumes provide the primary storage and are directly attached to the VM.
B. File Storage is mandatory for database backups.
C. Local NVMe storage is always the default for BaseDB.
D. Object Storage is the default storage option for database datafiles.

Answer: A

Explanation:
A: Block Volumes provide the primary storage and are directly attached to the VM.
Block Volumes:
* These are persistent, durable block storage volumes that are attached to the VM instance.
* Used to store database datafiles, redo logs, and other database-related files.
* Standard and most common way to provision storage for BaseDB VMs.
Why the other options are incorrect:
* B. Object Storage as the default for database datafiles:Object Storage is used for backups and unstructured data, not the primary database files.
* C. Local NVMe as the default:Local NVMe provides high performance but is not always the default.
Block Volumes are standard.
* D. File Storage is mandatory for backups:Not mandatory. Block Volumes or Object Storage can also be used.

NEW QUESTION # 30
......

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Oracle 1z0-1093-25 Latest Learning Material | New 1z0-1093-25 Test Tips

Oracle 1z0-1093-25 Exam Syllabus Topics:

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

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