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To prepare for the Oracle 1Z0-921 Exam, candidates should have a good understanding of SQL and database management concepts. They should also be familiar with the MySQL architecture and how to install, administer, and troubleshoot MySQL databases. Additionally, candidates should have experience with MySQL tools and utilities, such as the MySQL Enterprise Monitor, MySQL Workbench, and MySQL Shell. With the right preparation and experience, passing the Oracle 1Z0-921 Exam can help candidates advance their careers as database administrators and developers.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q61-Q66):

NEW QUESTION # 61
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A. Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
B. Convert the private key to ppk format first and use the new private key for authentication.
C. Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
D. Use the provided private key for authentication.

Answer: C

NEW QUESTION # 62
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
B. It allows backup to be done on the slave without impacting the master.
C. MySQL Enterprise Backup will back up from Slave automatically.
D. You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
E. It provides multi-master access where the application can write and read data across the database servers.

Answer: B,C,D

NEW QUESTION # 63
Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

A. The OCI instance is still in the "creation" process.
B. Only root is allowed to access from non-localhost.
C. The opc user can be used to access MySQL only with the created SSH-Key.
D. You forgot to enable port 3306.
E. You forgot to create the correct SSL/TLC certificate during the setup process.

Answer: D

NEW QUESTION # 64
Which statement would you use to remove the population column from the city table?

A. DROP population FROM city;
B. ALTER TABLE city DELETE population;
C. ALTER TABLE city LESS population;
D. ALTER TABLE city DROP population;
E. DELETE population FROM city;

Answer: D

NEW QUESTION # 65
What SQL keyword must be specified when creating a foreign key constraint?

A. a TRIGGER on the child table for cascading delete statements
B. unique PRIMARY key values for both child and parent tables
C. an index on the foreign key
D. the SET_FOREGIN variable in the my .cnf file
E. a REFERENCES in the child table to the parent table

Answer: A

NEW QUESTION # 66
......

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q61-Q66):

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