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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

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 3

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 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

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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Oracle Cloud Database Services 2025 Professional Sample Questions (Q88-Q93):

NEW QUESTION # 88
The concept of 'schema-less' in the context of NoSQL databases primarily refers to what?

A. Data is stored in a highly structured format, mirroring the tabular structure of relational databases with predefined columns and data types.
B. All data stored within the database must conform to a single, universally defined schema for consistency.
C. The database automatically infers the schema from the data being inserted, without requiring any explicit schema definition beforehand.
D. Data is stored in a binary format, eliminating the need for any schema or data interpretation.

Answer: C

Explanation:
Schema-less in NoSQL:
This means you don't need to define a rigid, fixed structure before data insertion. Each record can have its own structure, allowing flexibility for evolving data models. This is useful for unstructured or semi-structured data.
Why the other options are incorrect:
* B:This describes relational databases.
* C:This describes the structured nature of SQL databases.
* D:While binary formats may be used, schema-less refers to the logical, not physical, structure.

NEW QUESTION # 89
Oracle NoSQL Database Cloud Service utilizes a key-value data model. Which of the following statements accurately describes the fundamental structure of data within this model?

A. Each data item is uniquely identified by a key, and the associated value can be any data type or structure.
B. Data is structured in a graph format, representing entities as nodes and relationships as edges.
C. Relationships between data items are explicitly defined through foreign keys and joins.
D. Data is stored as JSON documents with flexible structures, allowing for nested elements.
E. Data is organized into tables with predefined schemas, similar to relational databases.

Answer: A

Explanation:
C: Each data item is uniquely identified by a key, and the associated value can be any data type or structure.
Key-Value Data Model:
* The key-value model is fundamentally based on a simple association between a unique key and its corresponding value.
* The value can be a simple data type (string, number) or a complex structure (like JSON).
* Oracle NoSQL Database Cloud Service uses this model to ensure efficient, scalable data access.
Why the other options are incorrect:
* A. Organized into tables with schemas:This represents a relational database model.
* B. Stored as JSON documents:Although NoSQL can store JSON, the fundamental model is still key- value.
* D. Relationships defined through foreign keys and joins:This is typical of relational databases.
* E. Graph format with nodes and edges:Represents a graph database model, not key-value.

NEW QUESTION # 90
When provisioning a Base Database Service (BaseDB) virtual machine (VM) instance in Oracle Cloud Infrastructure (OCI), which of the following actions MUST be performed before launching the DB system?

A. Creating a backup policy for the database being provisioned.
B. Configuring the Data Guard association between the VM and a standby database.
C. Creating a Virtual Cloud Network (VCN) with appropriate subnets and security rules.
D. Configuring Oracle GoldenGate replication.

Answer: C

Explanation:
VCN Requirement:
AVirtual Cloud Network (VCN)is essential for creating a BaseDB VM instance because itprovidesnetwork connectivityandIP addressing. Subnets and security rules define the access policies and network segmentation.
Without a VCN, the VM instance cannot communicate with other resources or external networks.
Why the other options are incorrect:
* A:Data Guard can be configured after provisioning.
* B:Backup policies are important but can be set up later.
* D:Oracle GoldenGate replication is optional and not required at the time of provisioning.

NEW QUESTION # 91
In a column-family NoSQL database, what is the purpose of a "super column"?

A. To store large binary objects (BLOBs).
B. To represent a single value associated with a row key.
C. To group related columns together, providing a level of hierarchy within the column family.
D. To define the primary key for the entire database.

Answer: C

Explanation:
Super Columns in Column-Family Databases:
Asuper columnis a higher-level construct used incolumn-family NoSQL databases(like Apache Cassandra).
It groups related columns together under a single name, forming atwo-level hierarchywithin a column family.
* This structure is useful when storing data that naturally fits anested or hierarchical format.
* For example, a user profile might contain super columns like "Address" (with sub-columns like
"Street", "City", "ZIP") and "Contacts" (with sub-columns like "Phone", "Email").
Why the other options are incorrect:
* A:A regular column represents a single value associated with a row key.
* C:Primary keys are defined at the row level, not using super columns.
* D:While BLOBs can be stored, the primary role of a super column is togroup related columns, not store binary data.

NEW QUESTION # 92
Which two of the following options are valid statements regarding the management of the operating system on a Base Database Service Virtual Machine DB System?

A. Direct SSH access to the underlying VM is restricted, and all OS-level operations must be performed through the Web Console.
B. Customers are responsible for the security and maintenance of the operating system, including applying necessary patches and updates.
C. Customers have full root access to the underlying operating system of the Virtual Machine DB System, allowing for customization and installation of custom software.
D. Oracle manages the underlying operating system patching and updates, ensuring the system remains secure and compliant.
E. Customers are responsible for the initial OS installation, but then patching is controlled entirely by Oracle.

Answer: B,C

NEW QUESTION # 93
......

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