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 Feb 22, 2025.

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Question No. 1

Which table option defines a Lakehouse external table based on a CSV file?

AENGINE=csv SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{''file'': [{''region'': ''us-ashburn-1'', ''namespace'': ''mytenant'', ''bucket'': ''bucket01'', ''name'': ''airport.csv''}] }'

BENGINE=csv SECONDARY_ENGINE=lakehouse ENGINE_ATTRIBUTE='{''file'': [{''region'': ''us-ashburn-1'', ''namespace'': ''mytenant'', ''bucket'': ''bucket01'', ''name'': ''airport.csv''}] }'

CENGINE=lakehouse SECONDARY_ENGINE=csv ENGINE_ATTRIBUTE='{''file'': [{''region'': ''us-ashburn-1'', ''namespace'': ''mytenant'', ''bucket'': ''bucket01'', ''name'': ''airport.csv''}] }'

DENGINE=lakehouse SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{''file'': [{''region'': ''us-ashburn-1'', ''namespace'': ''mytenant'', ''bucket'': ''bucket01'', ''name'': ''airport.csv''}] }'

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Correct Answer: C

Question No. 2

You want to connect to a DB system with MySQL Shell.

DB system endpoint IP address: 10.0.1.221

Username: admin

Password: MySQL8.0

Which two commands work? (Choose two.)

Amysqlsh -h 10.0.1.221 -u admin -p MySQL8.0

Bmysqlsh mysql://MySQL8.0:admin@10.0.1.221

Cmysqlsh mysql://admin:MySQL8.0@10.0.1.221

Dmysqlsh -h10.0.1.221 -uadmin -pMySQL8.0

Emysqlsh -host 10.0.1.221 -user admin -password MySQL8.0

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Correct Answer: C, E

Question No. 3

Which two are benefits of read replicas? (Choose two.)

AReduce query latency.

BReduce down time.

CReduce network latency.

DScale read queries.

ESpeed up analytical queries.

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Correct Answer: A, D

Question No. 4

The first query has an estimated cost of 100,000,000 and is offloaded to a HeatWave cluster for execution:

SELECT flightno, departure, country FROM flight JOIN airport_geo ON 'from'=airport_id;

The second query has an estimated cost of 10,000 and is NOT offloaded to the Heatwave cluster for execution:

SELECT DISTINCT country FROM airport_geo ORDER BY country;

Which two methods can offload the second query to the Heatwave cluster for execution? (Choose two.)

ASET use_secondary_engine=FORCED;

BSET secondary_engine_cost_threshold=1000;

CSET optimizer_trace=''enabled=on'';

DCALL sys.heatwave_load('[''airport_geo'']');

ECALL sys.heatwave_advisor(JSON_OBJECT(''auto_enc'', JSON_OBJECT(''mode'', ''recommend'')));

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Correct Answer: A, B

Question No. 5

You want to migrate an on-premises MySQL database to MySQL HeatWave by exporting the MySQL database with MySQL Shell util.dumpInstance.

What is the purpose of the ocimds: true option?

AIt launches a new DB system and imports the data concurrently with the export operation.

BIt enables all MySQL HeatWave compatibility options.

CIt returns an error if the database has any incompatibilities with MySQL HeatWave.

DIt stores the exported files in OCI Object Storage.

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Correct Answer: B

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