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快速下載1z0-1093-25 PDF題庫和資格考試中的領導者和優秀的1z0-1093-25：Oracle Cloud Database Services 2025 Professional

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Oracle 1z0-1093-25 考試大綱：

主題
簡介

主題 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.

主題 2

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.

主題 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.

主題 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.

主題 5

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.

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1z0-1093-25 PDF題庫考題全覆蓋 – 高通過率的Oracle Oracle Cloud Database Services 2025 Professional

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最新的 Oracle Cloud 1z0-1093-25 免費考試真題 (Q93-Q98):

問題 #93
When a new security patch is released for the Oracle Database software on a BaseDB VM system, what is the recommended approach for applying it in a production environment?

A. Apply the patch to a production standby database (if one exists) and then failover to the patched standby.
B. Immediately apply the patch directly to the production database during off-peak hours to minimize potential security vulnerabilities.
C. Wait for Oracle Cloud Infrastructure to automatically apply the security patch to all BaseDB VM systems.
D. Download the patch and apply it to a non-production environment that mirrors the production environment for testing before applying it to production.

答案：D

解題說明：
B: Testing patches in a non-production environment:
* Critical to ensure that the patch does not introduce performance issues or compatibility problems.
* Best Practice:Apply the patch to astaging environmentthat mirrors production, validate stability, and then proceed to production.
* Minimizes the risk of unplanned downtime or disruptions.
Why the other options are incorrect:
* A. Immediate application in production:Risky as untested patches might cause outages.
* C. Automatic patching by OCI:OCI does not automatically apply database patches; the customer must manage this.
* D. Patching the standby and failing over:While a good strategy when applicable, it still requires prior testing.

問題 #94
How does HeatWave address the challenges of Online Analytical Processing (OLAP) compared to traditional row-based database systems?

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

答案：A

解題說明：
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.

問題 #95
In a BaseDB environment configured with automatic backups, what happens to the automatic backups when the DB system is terminated?

A. The retention of automatic backups after DB system termination is configurable during DB system creation.
B. All automatic backups are immediately and permanently deleted from object storage.
C. All automatic backups are retained in object storage for a period determined by the original backup retention policy.
D. Automatic backups are migrated to a lower-cost archive storage tier.
E. The most recent automatic backup is retained, while older backups are deleted.

答案：C

解題說明：
Backup Retention Policy:
When aBaseDB system is terminated, automatic backups are not immediately deleted. Instead, they remain stored inOCI Object Storagefor the duration specified by thebackup retention policythat was configured at the time of database creation.
* This approach ensures that data can be recovered even after the database instance itself is terminated.
* Administrators can manually delete backups if they are no longer needed, but they arenot automatically purged.
Why the other options are incorrect:
* A:Backups are not deleted instantly upon termination.
* B:All backups are retained as per the policy, not just the most recent.
* D:No automatic migration to archive tier occurs.
* E:Backup retention settings are defined during provisioning, but not dynamically configurable after termination.

問題 #96
Which two tools can you use to create a HeatWave MySQL Database Service System?

A. OCI Bastion Server
B. OCI SQL Developer
C. OCI Command Line Interface
D. OCI Console
E. MySQL Shell on OCI Compute

答案：C,D

解題說明：
OCI Console:
The Oracle Cloud Infrastructure Console is the primary graphical interface for creating and managingMySQL HeatWave Database Service Systems. It provides a user-friendly environment for configuring database instances and integrating HeatWave.
OCI CLI:
The OCI Command Line Interface allows for automation and scripting of database service creation. It is useful when managing multiple instances or performing bulk operations.
Why the other options are incorrect:
* C:OCI Bastion Server is used for secure SSH access, not for database creation.
* D:MySQL Shell is a client tool for interacting with databases, not for provisioning them.
* E:OCI SQL Developer is a database management tool, not a service provisioning tool.

問題 #97
When enabling Database Management Service for a cloud database, which of the following is typically NOT a configurable parameter specific to the Database Management Service itself?

A. The maximum amount of storage space allocated for collected metrics.
B. The frequency at which performance metrics are collected.
C. The specific metrics that are collected from the database.
D. The database version.

答案：D

解題說明：
D: The database version:
* Thedatabase versionis not configurable through the Database Management Service.
* The version is determined during the database instance provisioning and is independent of the management service.
* The management service can monitor and manage databases of various versions, but it does not control or alter the version itself.
Why the other options are configurable:
* A. Frequency of metric collection:Can be adjusted to balance performance and data granularity.
* B. Specific metrics collected:Can be customized based on monitoring requirements.
* C. Storage space for metrics:Some configurations allow defining the retention and storage capacity for collected data.

問題 #98
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