Most Recent Oracle 1Z0-915-1 Exam Questions & Answers

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 Nov 19, 2024.

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Question No. 1

Which two methods can be used to stop a DB system? (Choose two.)

AUse the STOP action on the DB system details page in the OCI Console.

BRun the shutdown command from a mysqladmin client logged in as the admin user.

CRun the SHUTDOWN SQL statement from any connected client logged in as the admin user.

DExecute the mysql db-system stop command from OCI CLI.

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Correct Answer: A, C

Question No. 2

Which is true about dynamic variables in MySQL HeatWave configurations?

AInitialization variables are not dynamic.

BChanges in dynamic variables require a server restart.

CDynamic variables in a custom configuration can be changed without copying the configuration to a new configuration.

DAll user variables are dynamic.

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Correct Answer: C

Question No. 3

There are more than 10 concurrent users running queries on the DB system. The airport_geo table has been loaded successfully into a HeatWave cluster.

You want to run this query:

SELECT DISTINCT country FROM airport_geo ORDER BY country;

How do you determine whether the query is offloaded to the HeatWave cluster for execution?

AView the Query Execution Plan of the query by running EXPLAIN.

BCheck the value of the rapid_query_offload_count global status variable.

CQuery the rpd_tables table in performance_schema.

DCheck the value of the hw_data_scanned global status variable.

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Correct Answer: A

Question No. 4

A DB system has been deleted successfully. Which two operations are allowed on the deleted DB system? (Choose two.)

AChange the storage size.

BCreate a manual backup.

CRestore the DB system from an existing manual backup.

DView the metrics.

EView the API call logs on the Audit page.

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Correct Answer: C, E

Question No. 5

You want to migrate an on-premises MySQL database to a MySQL DB system on OCI.

Which method provides the least amount of application down time when switching to the DB system?

ARun MySQL Shell on an OCI compute instance to export and import the data for faster migration.

BStore the exported data in object storage to speed up the export and import.

CUse inbound replication to synchronize the MySQL database transactions to the DB system.

DUse the largest DB system shape to speed up the import.

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Correct Answer: C

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