100% PASS QUIZ ORACLE 1Z0-915-1 - HIGH HIT-RATE ORACLE MYSQL HEATWAVE IMPLEMENTATION ASSOCIATE REL 1 LATEST BRAINDUMPS

100% Pass Quiz Oracle 1z0-915-1 - High Hit-Rate Oracle MySQL HeatWave Implementation Associate Rel 1 Latest Braindumps

100% Pass Quiz Oracle 1z0-915-1 - High Hit-Rate Oracle MySQL HeatWave Implementation Associate Rel 1 Latest Braindumps

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1z0-915-1 exam certification is very useful in your daily work in IT industry. When you decide to attend the 1z0-915-1 exam test, it is not an easy thing at begin. First, you should have a detail study plan and have a basic knowledge of the 1z0-915-1 actual test. Here, Oracle 1z0-915-1 test pdf dumps are recommended to you for preparation. 1z0-915-1 Pdf Torrent will tell you the basic question types in the actual test and give the explanations where is available. With the help of the 1z0-915-1 vce dumps, you will be confident to attend the 1z0-915-1 actual test and get your certification with ease.

Oracle 1z0-915-1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers
Topic 2
  • Inbound Replication: For database administrators and replication experts, this section of the exam covers setting up and troubleshoot inbound replication and creating channels.
Topic 3
  • High Availability: For system reliability engineers and database architects, this domain of the exam covers how to enable and disable the high availability of a DB system, explain placement considerations for a high availability DB system, distinguish between switchover and failover, etc.
Topic 4
  • 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 5
  • 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.
Topic 6
  • 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 7
  • 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.

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q32-Q37):

NEW QUESTION # 32
A port-forwarding Bastion session has been created for a MySQL DB system listening on 10.10.1.187:3306.
The SSH command provided by the Bastion session is:

An SSH tunnel is created successfully on a client machine by running this command:

Which command connects to the MySQL DB System from the client machine?

  • A. mysqlsh mysql://admin@10.10.1.187:3311
  • B. mysqlsh mysql://admin@127.0.0.1:3306
  • C. mysqlsh mysql://admin@10.10.1.187:3306
  • D. mysqlsh mysql://admin@127.0.0.1:3311

Answer: D

Explanation:
Given the SSH command sets up port forwarding from the local port3311to the remote MySQL DB system port3306, the correct command to connect to the MySQL DB system from the client machine is:
C:mysqlsh mysql://admin@127.0.0.1:3311
This command connects to the local machine's port3311, which forwards the connection to the MySQL DB system at10.10.1.187:3306.


NEW QUESTION # 33
Automatic backup retention of a DB system is disabled. Which operation deletes all automatic backups of the DB system?

  • A. Enabling point-in-time recovery
  • B. Disabling delete protection
  • C. Disabling point-in-time recovery
  • D. Deleting the DB system

Answer: D

Explanation:
When automatic backup retention of a DB system is disabled,deleting the DB system(Answer C) will delete all automatic backups of the DB system.
* Automatic Backups: These are backups created automatically by the OCI service to ensure data protection.
* Backup Deletion: If automatic backups are disabled and you delete the DB system, all associated automatic backups are also deleted. This operation is irreversible, and you should ensure that necessary backups are taken before deleting the DB system.
References:
* OCI MySQL Database Service Backup and Restore


NEW QUESTION # 34
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.)

  • A. CALL sys.heatwave_load('["airport_geo"]');
  • B. CALL sys.heatwave_advisor(JSON_OBJECT("auto_enc", JSON_OBJECT("mode", "recommend")));
  • C. SET optimizer_trace="enabled=on";
  • D. SET use_secondary_engine=FORCED;
  • E. SET secondary_engine_cost_threshold=1000;

Answer: D,E

Explanation:
To offload the second query to the HeatWave cluster for execution, you can use the following methods:
* SET use_secondary_engine=FORCED(Answer A): This forces the use of the HeatWave secondary engine for query execution, regardless of the estimated cost.
* SET secondary_engine_cost_threshold=1000(Answer B): This lowers the cost threshold for queries to be offloaded to the HeatWave cluster, allowing queries with lower estimated costs to be offloaded.
Steps:
* Before running the second query, executeSET use_secondary_engine=FORCED;to force the offloading of queries to HeatWave.
* Alternatively, executeSET secondary_engine_cost_threshold=1000;to adjust the cost threshold, making the second query eligible for offloading.


NEW QUESTION # 35
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?

  • A. Check the value of the hw_data_scanned global status variable.
  • B. View the Query Execution Plan of the query by running EXPLAIN.
  • C. Check the value of the rapid_query_offload_count global status variable.
  • D. Query the rpd_tables table in performance_schema.

Answer: C

Explanation:
To determine whether a query is offloaded to the HeatWave cluster for execution,check the value of the rapid_query_offload_countglobal status variable(Answer B).
* rapid_query_offload_count: This variable indicates the number of queries that have been offloaded to the HeatWave cluster. By checking its value before and after running the query, you can determine if the query was offloaded.
Steps:
* Connect to the MySQL DB system.
* RunSHOW GLOBAL STATUS LIKE 'rapid_query_offload_count';before and after executing the query to see if the count increases, indicating offloading.
References:
* MySQL HeatWave Documentation
* Monitoring HeatWave Status Variables


NEW QUESTION # 36
You want to deploy a high-availability MySQL DB system in a region with multiple availability domains.
Which two types of subnet provide maximum redundancy? (Choose two.)

  • A. A public regional subnet
  • B. A public AD-specific subnet
  • C. A private regional subnet
  • D. A private AD-specific subnet

Answer: A,C

Explanation:
To deploy a high-availability MySQL DB system in a region with multiple availability domains, the following types of subnets provide maximum redundancy:
* A private regional subnet(Answer B): This type of subnet spans all availability domains in the region, ensuring high availability and fault tolerance.
* A public regional subnet(Answer C): Similar to the private regional subnet, a public regional subnet spans all availability domains, providing maximum redundancy and accessibility.
References:
* OCI Networking Documentation
* MySQL High Availability Documentation


NEW QUESTION # 37
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