Oracle Updated 1z0-1093-25 Exam Questions and Answers by jaxxon

A. Number of HeatWave nodes:

During provisioning, users specify the number of nodes to allocate for the HeatWave analytical workload.

More nodes enable higher performance for large datasets.

B. MySQL version:

The selected version affects compatibility and available features.

Users can choose from supported versions likeMySQL 8.0.

Why the other options are incorrect:

C. Character set:Typically configured after database creation.

D. Storage size:While storage can be specified, it is not part of HeatWave-specific configuration.

E. Initial database user:Managed post-provisioning, not as part of the initial setup.

IAM Policies:

Oracle NoSQL Database Cloud Service usesOCI IAM policiesto control access to tables. These policies specify who (user or group) can perform what actions (read, write, delete) on specific database resources. This centralized approach allows for granular permission control, supporting the principle ofleast privilege.

IAM policies are configured at theOCI tenancy leveland can be customized to define access based onusers, groups, and dynamic groups. They are essential for maintaining secure data access, especially in multi-tenant environments.

Why the other options are incorrect:

A:VCN security lists control network traffic, not table-level access.

C:Database Vault is for fine-grained access control within traditional Oracle Databases, not NoSQL.

D:TDE handles data encryption, not access management.

C. CSV, Parquet, and Avro files:

HeatWave Lakehousecan directly query data stored inOCI Object Storagewithout loading it into MySQL.

Supports widely-used data formats:

CSV (Comma Separated Values): Simple, text-based data format.

Parquet: Columnar storage format optimized for analytical queries.

Avro: Row-oriented format used for data serialization.

This versatility allows integrating data from various sources and querying directly.

Why the other options are incorrect:

A. Only CSV files:HeatWave supports more than just CSV.

B. Only Parquet files:HeatWave also supports CSV and Avro.

D. Only JSON files:JSON is not directly supported by HeatWave Lakehouse.

E. Only XML files:XML is not directly supported.

Recommended Patching Order:

In Oracle environments, it is crucial to patchGrid Infrastructure (GI) firstbecause GI components are responsible formanaging cluster resources and storage. Applying GI patches before database patches ensures that the underlying infrastructure is compatible and stable.

After the GI patching,validatethe environment to ensure all components are functioningcorrectly before proceeding with database software updates.

This order minimizes the risk ofdowntime or compatibility issues.

Why the other options are incorrect:

A:OCI does not automatically handle manual patching in non-managed DB systems.

B:Applying the database patch first may result in compatibility problems.

D:Users can manually patch Grid Infrastructure in BaseDB VMs.