1z0-1093-25 Reliable Test Sample | Examinations 1z0-1093-25 Actual Questions

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Ace Oracle 1z0-1093-25 Exam in a Short Time with Real Questions

New developments in the tech sector always bring new job opportunities. These new jobs have to be filled with the Oracle Cloud Database Services 2025 Professional (1z0-1093-25) certification holders. So to fill the space, you need to pass the Oracle 1z0-1093-25 exam. Earning the Oracle Cloud Database Services 2025 Professional (1z0-1093-25) certification helps you clear the obstacles you face while working in the Oracle field. To get prepared for the Oracle Cloud Database Services 2025 Professional (1z0-1093-25) certification exam, applicants face a lot of trouble if the study material is not updated.

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	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	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 4	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 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 (Q57-Q62):

NEW QUESTION # 57
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 leverages a distributed caching mechanism to store frequently accessed data.
D. HeatWave employs a columnar data format in memory, enabling faster scans and aggregations for complex queries.
E. HeatWave uses a specialized indexing technique to speed up data retrieval.

Answer: D

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 # 58
Oracle NoSQL Database Cloud Service supports operations on data based on keys. Which of the following best describes how data is primarily accessed and retrieved within this model?

A. Data is accessed through a predefined schema that dictates how data is organized and queried.
B. Data is accessed using structured query language (SQL) with joins and complex filtering conditions.
C. Data is retrieved by traversing relationships between interconnected nodes in a graph structure.
D. Data is searched based on the content of the values using full-text indexing and complex search queries.
E. Data is primarily accessed using the unique key associated with the desired data item.

Answer: E

Explanation:
C: Accessing data using the unique key:
* Oracle NoSQL Database Cloud Service follows akey-value data model.
* Data is accessed directly using aunique key, which is highly efficient for lookups.
* The value associated with the key can be simple or complex (e.g., JSON objects).
* Provides fast read and write operations.
Why the other options are incorrect:
* A. SQL with joins:Typical of relational databases, not NoSQL.
* B. Graph traversal:Relevant to graph databases, not key-value stores.
* D. Full-text indexing:Not the primary access method in key-value databases.
* E. Predefined schema:NoSQL databases generally supportschema-lessdata storage.

NEW QUESTION # 59
When provisioning an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) on a virtual machine (VM), what is a primary factor that distinguishes it from using a Bare Metal database service?

A. The ability to choose your own hypervisor for virtualization.
B. The underlying hardware is dedicated solely to your instance.
C. The ability to create multiple database homes on a single server.
D. The database software binaries are always pre-installed.

Answer: B

Explanation:
Primary Distinction:
The primary difference betweenBaseDB on a VMandBare Metalis how the underlying hardware is allocated:
* BaseDB on VM:The infrastructure issharedamong multiple tenants, using virtualization to isolate instances.
* Bare Metal Database Service:The server'sphysical hardware is dedicatedexclusively to a single tenant, offeringmaximum performance and isolation.
* This exclusive access to hardware in Bare Metal allows forbetter performanceand control compared to VM-based instances.
Why the other options are incorrect:
* A:Binaries are not always pre-installed in both cases; it depends on the configuration.
* B:Oracle handles hypervisor configuration, not the user.
* D:Both VM and Bare Metal allow multiple database homes if configured properly.

NEW QUESTION # 60
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. Modifying the underlying VM shapes of the MySQL Database System.
B. Performing a manual data export and import into a new, larger MySQL Database System.
C. Using the OCI CLI or Console to adjust the HeatWave cluster's shape and node count.
D. Manually altering the innodb_buffer_pool_size and restarting the MySQL server.
E. Recreating the HeatWave cluster with the desired size.

Answer: C

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 # 61
Which BaseDB lifecycle management activity is MOST directly associated with ensuring the continued availability of a database instance during a planned maintenance window?

A. Applying a quarterly security patch.
B. Using Oracle Data Guard for a switchover operation.
C. Performing an in-place upgrade of the database software.
D. Resizing the block volume storage.
E. Taking a full database backup using RMAN.

Answer: B

Explanation:
C: Using Oracle Data Guard for a switchover operation:
* Aswitchoveris a planned role reversal between the primary and standby databases.
* Zero data loss:Since both databases are synchronized, it minimizes downtime.
* Ideal for planned maintenance:The primary database is switched to the standby, allowing maintenance on the original primary without downtime.
* Data Guard Switchover:
sql
CopyEdit
ALTER DATABASE SWITCHOVER TO standby_db;
Why the other options are incorrect:
* A. Full backup with RMAN:Backup does not ensure availability during maintenance.
* B. In-place upgrade:Typically involves downtime.
* D. Quarterly patch:Patching often requires database restarts, causing downtime.
* E. Resizing block volume:Does not maintain availability if the database requires restarting.

NEW QUESTION # 62
......

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1Z0-1093-25 RELIABLE TEST SAMPLE | EXAMINATIONS 1Z0-1093-25 ACTUAL QUESTIONS

1z0-1093-25 Reliable Test Sample | Examinations 1z0-1093-25 Actual Questions