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2025 Oracle 1z0-915-1: First-grade Oracle MySQL HeatWave Implementation Associate Rel 1 Latest Test Camp

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Oracle 1z0-915-1 Exam Syllabus Topics:

Topic
Details

Topic 1

MySQL HeatWave Configurations: For database administrators and performance tuning specialists, this part of the exam covers creating custom configurations, comparing configurations, describing the effects of changing dynamic and non-dynamic variables, and updating a DB system configuration.

Topic 2

Managing DB systems: For network administrators and cloud infrastructure specialists, this domain of the exam covers demonstrating a command of DRG and DRG Attachments, applying BGP in the OCI environment, evaluating OCI VPN Services, and validating the various FastConnect products from OCI.

Topic 3

MySQL HeatWave Service: For database administrators, cloud architects, and DevOps engineers, this section of the exam covers identifying key features and benefits, describing MySQL HeatWave architecture, defining MySQL HeatWave terminology, and identifying MySQL HeatWave limitations.

Topic 4

Inbound Replication: For database administrators and replication experts, this section of the exam covers setting up and troubleshoot inbound replication and creating channels.

Topic 5

HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers

Topic 6

Describe the architecture of the HeatWave cluster, adding a HeatWave cluster to a DB system, and determine whether a query is offloaded to HeatWave cluster for execution.

Topic 7

Provisioning and Connecting DB systems: For system administrators and database engineers, this part of the exam covers identifying VCN requirements for provisioning DB systems, connecting to DB systems with OCI Bastion, connecting to DB systems with MySQL Shell, connecting to DB systems with OCI Cloud Shell, connect to DB system with OCI SQL Worksheet, and authenticate DB system with OCI Identify Access Management credentials.

Topic 8

Backing up and restoring DB systems: For database administrators and disaster recovery specialists, this section of the exam covers backing up and restoring a DB system, managing automatic backups, and performing point-in-time recovery.

Topic 9

Read Replicas: For database architects and replication specialists, this domain of the exam covers creating and managing read replicas, describing the read replica load balancer, connecting to a read replica, etc.

Topic 10

Data Migrations: For data migration specialists and database administrators, this part of the exam covers creating a DB system with data import, importing data into a DB system, and exporting data from MySQL servers and DB systems.

Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q26-Q31):

NEW QUESTION # 26
What must be enabled for using the point-in-time recovery feature in a DB system?

A. Delete protection
B. Automatic backups
C. HeatWave cluster
D. High availability

Answer: B

Explanation:
To use the point-in-time recovery feature in a DB system,automatic backupsmust be enabled (Answer B).
* Point-in-Time Recovery: This feature allows you to restore your database to a specific point in time, which is crucial for recovering from accidental data loss or corruption.
* Automatic Backups: These provide the necessary backup data that can be used to restore the database to the desired point in time.
References:
* OCI MySQL Database Service Point-in-Time Recovery
* Automatic Backups Documentation

NEW QUESTION # 27
Which feature do you use to copy transactions from an on-premises MySQL instance to a DB system?

A. HeatWave cluster
B. Inbound replication
C. Outbound replication
D. Read replica

Answer: B

Explanation:
To copy transactions from an on-premises MySQL instance to a DB system, you useinbound replication(Answer B).
* Inbound Replication: This feature allows the MySQL DB system to receive and apply changes (transactions) from an external MySQL instance.
* Replication Configuration: You need to set up replication between the on-premises MySQL instance and the MySQL DB system by configuring the master (on-premises) and the slave (DB system) appropriately.
References:
* MySQL Replication Documentation
* OCI MySQL Database Service Documentation

NEW QUESTION # 28
You want to determine which version of MySQL is running on your DB system.
Which two SQL statements show the MySQL version? (Choose two.)

A. SHOW VARIABLES LIKE 'version';
B. select @@version;
C. SHOW STATUS LIKE 'version';
D. SELECT @version;
E. SELECT * FROM performance_schema.global_status WHERE VARIABLE_NAME='version';

Answer: A,B

Explanation:
To determine the version of MySQL running on your DB system, you can use the following SQL statements:
* SELECT @@version;(Answer B): This query retrieves the MySQL server version from the system variables.
* SHOW VARIABLES LIKE 'version';(Answer C): This query displays the server version along with other related version variables.
Steps:
* Connect to your MySQL DB system.
* Execute eitherSELECT @@version;orSHOW VARIABLES LIKE 'version';to retrieve the version information.
References:
* MySQL Server Version Information
* SHOW VARIABLES Syntax

NEW QUESTION # 29
Which table option defines a Lakehouse external table based on a CSV file?

A. ENGINE=csv SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
B. ENGINE=csv SECONDARY_ENGINE=lakehouse ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
C. ENGINE=lakehouse SECONDARY_ENGINE=csv ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
D. ENGINE=lakehouse SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'

Answer: B

Explanation:
B:ENGINE=csv SECONDARY_ENGINE=lakehouse ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }': This table option defines a Lakehouse external table based on a CSV file. It specifies thecsvengine for the table and uses thelakehouseas the secondary engine, along with the file's location details in OCI Object Storage.

NEW QUESTION # 30
Why would you select "Source cannot use GTID auto-positioning" when creating a channel?

A. The source gtid mode is OFF.
B. The binary log offset is unknown.
C. The target DB system is a high-availability DB system.
D. Some tables have no primary key

Answer: A

Explanation:
When creating a replication channel and selecting "Source cannot use GTID auto-positioning", it typically indicates that the source's GTID mode is off. GTID (Global Transaction Identifier) auto-positioning allows for automated recovery and positioning of transactions in replication, but it requires that GTID mode be enabled on the source database.

NEW QUESTION # 31
......

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