Oracle 1Z0-1093-25 Online Practice Questions and Exam Preparation

Oracle 1Z0-1093-25 Online Questions & Answers

• Question 21:

  When migrating a MySQL instance to MySQL HeatWave, which method generally provides the MINIMAL downtime for large databases?

  A. Using mysqldump to create a logical backup and restoring it to the HeatWave instance.
  B. Creating a physical backup using MySQL Enterprise Backup and restoring it to the HeatWave instance.
  C. Utilizing MySQL replication to replicate data to the HeatWave instance and then performing a switchover.
  D. Copying the data files directly from the source instance to the HeatWave instance.
  E. Using a third-party ETL tool to extract, transform, and load the data into the HeatWave instance.
  C. Utilizing MySQL replication to replicate data to the HeatWave instance and then performing a switchover.

• Question 22:

  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.
  B. To prevent a single table from consuming excessive resources, ensuring fair allocation and preventing performance degradation for other tables and users.

• Question 23:

  Which two options correctly describe methods for accessing and managing the Exadata Infrastructure?

  A. Direct SSH access to the Exadata Infrastructure compute nodes is permitted for customers with root privileges.
  B. Management of the Exadata Infrastructure is primarily performed through the Oracle Cloud Infrastructure (OCI) console and APIs.
  C. The dbcli utility, used for database administration on VM DB Systems, can also be used to manage the Exadata Infrastructure.
  D. Customers have direct access to the Exadata storage cells, allowing them to modify storage configurations.
  E. Exadata Infrastructure management is solely managed by Oracle and is not directly accessible to customers.
  B. Management of the Exadata Infrastructure is primarily performed through the Oracle Cloud Infrastructure (OCI) console and APIs.
  E. Exadata Infrastructure management is solely managed by Oracle and is not directly accessible to customers.

• Question 24:

  What is the primary purpose of the AutoML feature within MySQL HeatWave?

  A. To automatically tune the MySQL server parameters for optimal transactional performance.
  B. To automate the process of building, training, and deploying machine learning models directly within the database.
  C. To automatically generate SQL queries based on natural language input.
  D. To automatically back up and restore the MySQL database to Oracle Cloud Infrastructure Object Storage.
  E. To automatically generate data visualization to present database insights.
  B. To automate the process of building, training, and deploying machine learning models directly within the database.

• Question 25:

  Which two actions can be performed using the Automatic Database Diagnostic Monitor (ADDM) within Database Management to diagnose cloud database performance?

  A. Generate recommendations for SQL plan baselines.
  B. Automatically apply all ADDM recommendations to the database.
  C. Identify root causes of performance bottlenecks, such as excessive I/O or CPU contention.
  D. Automatically create indexes to improve query performance.
  A. Generate recommendations for SQL plan baselines.
  C. Identify root causes of performance bottlenecks, such as excessive I/O or CPU contention.

• Question 26:

  Which Oracle Cloud Infrastructure (OCI) service is PRIMARILY used to store backups created from a BaseDB database?

  A. OCI Block Volume
  B. OCI File Storage
  C. OCI Object Storage
  D. OCI Archive Storage
  E. OCI Data Transfer Service
  C. OCI Object Storage

• Question 27:

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

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

• Question 28:

  Which database lifecycle management operation in BaseDB requires the creation of a new database home and is non-reversible after completion?

  A. Upgrading the Oracle Grid Infrastructure.
  B. Scaling the compute shape of the VM.
  C. Upgrading the Oracle Database software version.
  D. Applying an operating system patch.
  E. Enabling Automatic Storage Management (ASM).
  C. Upgrading the Oracle Database software version.

• Question 29:

  You are tasked with checking the status of the Exadata Database Service (ExaDB) components using the dcli utility. You need to gather information about the health and status of the database servers and storage cells across the ExaDB infrastructure. Which dcli command, combined with appropriate commands run across the nodes, will provide the most comprehensive overview?

  A. dcli -g cell_group "list cell attributes name, status" combined with dcli -g dbnodes "srvctl status database -d dbname"
  B. dcli -g cell_group "list cell attributes name, status, metriccurrent"
  C. dcli -g dbnodes "list dbnodes"
  D. dcli -g all "list status"
  A. dcli -g cell_group "list cell attributes name, status" combined with dcli -g dbnodes "srvctl status database -d dbname"

• Question 30:

  Oracle NoSQL Database Cloud Service's key-value model is well-suited for certain types of applications. Which of the following application scenarios would most directly benefit from the key-value data model's characteristics?

  A. An application requiring complex analytical queries and joins across multiple related datasets.
  B. A social media platform needing to store and retrieve individual user profiles and their associated data quickly.
  C. A financial system requiring strict transactional integrity and complex relationships between accounts and transactions.
  D. A content management system needing to enforce a rigid schema for all documents and their metadata.
  E. An enterprise resource planning (ERP) system managing intricate relationships between various business entities.
  B. A social media platform needing to store and retrieve individual user profiles and their associated data quickly.