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Pass Guaranteed 2025 1Z1-921: MySQL 2021 Implementation Essentials High Hit-Rate Well Prep

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is a globally recognized certification that evaluates individuals’ proficiency in MySQL database administration and development. It is an essential credential for professionals working with MySQL databases, and passing the exam is a valuable milestone in one’s career. 1Z1-921 exam covers a wide range of topics related to MySQL database administration and development, and candidates can prepare for the exam with various study resources, including official MySQL training courses.

Oracle 1Z0-921 exam is designed to assess the candidate's ability to implement MySQL databases in real-world scenarios. 1Z1-921 Exam is based on practical knowledge and skills rather than theoretical concepts. Therefore, candidates are expected to have hands-on experience in MySQL database implementation and management. To prepare for 1Z1-921 exam, candidates can take training courses, review study materials, and practice with sample questions.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q36-Q41):

NEW QUESTION # 36
An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A. mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
B. mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
C. MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
D. mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
E. MySQL Enterprise Backup does not back up system data so that it is much faster.

Answer: A,D

NEW QUESTION # 37
The slave connects to the master and asks for updated records. What command was issued for this to happen?

A. SLAVE START
B. SLAVE RUN
C. START SLAVE
D. START RUN SLAVE
E. RUN SLAVE

Answer: A

NEW QUESTION # 38
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. 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.
D. It provides multi-master access where the application can write and read data across the database servers.
E. MySQL Enterprise Backup will back up from Slave automatically.

Answer: B,C,E

NEW QUESTION # 39
The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

Answer: C

NEW QUESTION # 40
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
B. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
C. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
D. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.

Answer: B

NEW QUESTION # 41
......

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