Most Recent Oracle 1Z0-915-1 Exam Dumps

Prepare for the Oracle MySQL HeatWave Implementation Associate Rel 1 exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-915-1 exam and achieve success.

The questions for 1Z0-915-1 were last updated on Apr 1, 2025.

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Question No. 1

A query is not offloaded to the HeatWave cluster for execution. Which three are possible reasons? (Choose three.)

AThe use_secondary_engine session variable is OFF.

BThe client is connected to the DB system instead of the HeatWave cluster.

CThe query estimated cost is less than the query cost threshold.

DThe user does not have privileges to access the HeatWave cluster.

EA required column is excluded from the RAPID secondary engine.

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Correct Answer: A, C, E

Question No. 2

You want to train a model that predicts sales based on the available data the company holds.

This is an excerpt of the sales table:

Which command trains the model?

ACALL sys.ML_TRAIN('ml_data.sales', 'Sales', JSON_OBJECT('task', 'anomaly_detection'), @model);

BCALL sys.mML_TRAIN('ml_data.sales', 'Sales', JSON_OBJECT('task', 'forecasting'), @model);

CCALL sys.ML_TRAIN('ml_data.sales', 'Sales', JSON_OBJECT('task', 'classification'), @model);

DCALL sys.ML_TRAIN('ml_data.sales', 'Sales', JSON_OBJECT('task', 'regression'), @model);

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Correct Answer: D

Question No. 3

Which is true about automatic DB system version upgrades?

AYou must specify the next version to be used before the upgrade.

BThe DB system is never upgraded automatically.

CThe DB system is upgraded to the next release in sequence.

DThe DB system is upgraded to the most recent release.

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Correct Answer: C

Question No. 4

Which three operations can be performed on a MySQL HeatWave backup? (Choose three.)

ADelete an active manual backup when point-in-time recovery is enabled on the DB system.

BChange the retention period of an active manual backup.

CRestore an active backup to a new DB system in another region.

DChange the retention period of an active automatic backup.

EMove an active backup to another compartment.

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Correct Answer: B, C, E

Question No. 5

You have a MySQL DB system with five active read replicas. The workload consists of 5% writes and 95% reads.

Which connection method provides the fastest query response time?

AConnect to the source DB system to perform read-only operations.

BConnect to a specific read replica to perform read-only operations.

CConnect to the read replica load balancer to perform read-only operations.

DConnect to the read replica load balancer to perform read/write operations.

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Correct Answer: C

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