Oracle 1z0-1093-25 - Oracle Cloud Database Services 2025 Professional

Tagging in Database Management:

Tags in Oracle Cloud Infrastructure are essential fororganizing and managing resources.

Grouping Databases (A):Tags allow databases to be grouped logically, simplifying management and performance analysis.

Filtering and Searching (C):Tags make it easier to find specific databases within theDatabase Management console, improving efficiency in large environments.

Why the other options are incorrect:

B:Tags do not propagate automatically; they must be configured properly.

D:Tags are actively used in Database Management for organizing and filtering.

Understanding Throughput in NoSQL:

Throughput in NoSQL databases is influenced by factors likequery complexity, workload type (read/write), and record size.

Higher query complexity (A):Complex queries involving aggregation or joins consume more read capacity.

Write-heavy workload (B):Writes inherently require more capacity units due to data modification and consistency checks.

Larger record sizes (D):More data per operation increases the read/write capacity needed.

Why C is incorrect:

C:Table scans involve reading large volumes of data, which increases throughput requirements rather than reducing them. Frequent table scans can overwhelm the system, especially with large datasets.

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.

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.

C. OCI Object Storage:

The primary storage service for database backups within OCI.

Offers high durability, availability, and scalability.

Integrated with Oracle's automated backup solutions for BaseDB.

Suitable for both short-term and long-term storage of database backups.

Why the other options are incorrect:

A. OCI Block Volume:Used for primary database storage, not long-term backups.

B. OCI File Storage:Typically used for file system-based workloads, not for database backups.

D. OCI Archive Storage:Suitable for long-term archival but not the primary backup destination.

E. OCI Data Transfer Service:Used for bulk data migration into OCI, not for backup storage.

B. Automation of provisioning and management:

Cloud Tooling automates key tasks such asprovisioning, patching, scaling, and maintenance.

Reduces manual configuration errors and saves time.

Ensures consistency in setup and updates, minimizing downtime.

Greatly simplifies lifecycle management, making cloud deployments more efficient than on-premises.

Why the other options are incorrect:

A. More granular hardware control:Cloud tooling abstracts low-level hardware management.

C. No DBA intervention:While reduced, DBAs still handle application-specific configurations and performance tuning.

D. Using older database versions:Exadata Cloud Service supportsonly supported versions, not deprecated ones.

C. Private subnet for client network:

Essential for secure access to the databases hosted on the Exadata Database Service instance.

Ensures that client connections are restricted and managed through private IPs.

E. Private subnet for database backups:

Used to securely connect to Oracle Cloud Infrastructure Object Storage for storing backups.

Enables data protection without exposing the backup traffic to the public internet.

Why the other options are incorrect:

A. Public subnet for monitoring:Not required; secure access can be configured through private subnets.

B. Service Gateway:Optional, used for connecting to Oracle services without using the public internet.

D. NAT Gateway:Not mandatory unless specific outbound connectivity is required.

C. Intelligent Storage Capabilities:

The Exadata Storage Server Software enhances data processing at the storage layer.

Key features include:

Smart Scan:Offloads SQL processing to storage.

Compression:Reduces data size and improves I/O efficiency.

Encryption:Protects data at rest.

This software significantly boosts database performance by reducing data transfer to the compute nodes.

Why the other options are incorrect:

A. VM management:Handled by OCI infrastructure.

B. OS and management software:Not related to Exadata Storage Server Software.

D. Load balancing:Handled by Oracle RAC or OCI load balancers.

Reasoning:

TheDatabase Management Servicecan collect performance metrics from databases across different regions within the same OCI tenancy. Therefore, the geographic location of the service relative to the database isnot a common issue.

More Likely Causes:

A:IAM policies that do not grant sufficient permissions are a common issue.

B:If the database is offline, no metrics can be collected.

D:A locked database user account used by the Management Agent will prevent data collection.

Why C is incorrect:

The Database Management Service can be configured to collect metrics from databasesacross regions, as long as network access and permissions are properly configured.