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Exam Code: 1z0-1093-25
Exam Title: Oracle Cloud Database Services 2025 Professional
Vendor: Oracle
Exam Questions: 99
Last Updated: March 9th,2026

Question 1

Which of the following is the recommended approach for migrating a large, mission-critical database from an on-premises Exadata system to Exadata Database Service with minimal downtime?

A. Traditional export/import using Data Pump over a public network.
B. Creating a physical standby database using Data Guard and switching over to the standby in OCI.
C. Performing a full backup and restore to a new Exadata Database Service instance.
D. Using SQL Developer to copy the data over a VPN connection.

Correct Answer:B

Question 2

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

Correct Answer:C

Question 3

Which of the following best describes the primary purpose of table rate limiting within Oracle NoSQL Database Cloud Service?

A. To enforce strict data consistency across all table partitions, ensuring ACID compliance.
B. To prevent a single table from consuming excessive resources, ensuring fair allocation and preventing performance degradation for other tables and users.
C. To automatically optimize table schema design for improved query performance.
D. To restrict the total amount of storage space a table can consume.

Correct Answer:B

Question 4

During the provisioning of a Base Database Service (BaseDB) virtual machine (VM), what is the significance of the "Compute Shape" selection?

A. It determines the maximum number of databases that can be created on the VM.
B. It dictates the availability domain in which the VM will be created.
C. It defines the CPU, memory, and network bandwidth allocated to the VM.
D. It specifies the pre-installed database software version.

Correct Answer:C

Question 5

When upgrading the Oracle Database software version on a BaseDB VM system, what is the primary responsibility of the database administrator (DBA) regarding the underlying operating system?

A. The DBA is responsible for initiating and managing the operating system upgrade process through the Oracle Cloud Infrastructure console.
B. The DBA must ensure the operating system is compatible with the target Oracle Database software version before initiating the database upgrade.
C. The DBA has no direct responsibility for the operating system as it is fully managed by Oracle Cloud Infrastructure.
D. The DBA should manually update the operating system packages after the database upgrade is successfully completed.

Correct Answer:B