USING ORACLE 1Z0-908 DUMPS, IMPROVE YOUR EXAM SKILLS

Using Oracle 1Z0-908 Dumps, Improve Your Exam Skills

Using Oracle 1Z0-908 Dumps, Improve Your Exam Skills

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Oracle 1Z0-908 exam contains 70 multiple-choice questions that need to be answered within 105 minutes. 1Z0-908 exam is available in English and Japanese languages and can be taken online or at a testing center. 1Z0-908 exam is designed to test the candidate's knowledge of MySQL database administration and is based on the latest version of MySQL.

Oracle 1Z0-908 certification exam covers a broad range of topics, including MySQL architecture and installation, server configuration, backup and recovery strategies, performance tuning, and security. 1Z0-908 Exam also tests the candidate's knowledge of high availability options, such as replication and clustering, and their ability to troubleshoot common issues that arise in MySQL environments. By passing 1Z0-908 exam, candidates demonstrate their expertise in MySQL administration and their ability to manage databases effectively, ensuring business continuity and data security.

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Oracle 1Z0-908 Certification Exam is a valuable credential for professionals who want to validate their skills in MySQL database administration. 1Z0-908 exam tests an individual’s knowledge and skills in administering MySQL databases, including database installation, configuration, backup and recovery, performance tuning, and security. Candidates can prepare for the exam by gaining practical experience in administering MySQL databases, taking training courses, and studying the exam objectives and study guides provided by Oracle.

Oracle MySQL 8.0 Database Administrator Sample Questions (Q51-Q56):

NEW QUESTION # 51
Examine this statement, which executes successfully:

You want to improve the performance of this query:

Which change enables the query to succeed while accessing fewer rows?

  • A. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);
  • B. ALTER TABLE world.city ADD INDEX (Population);
  • C. ALTER TABLE world.city ADD SPATIAL INDEX (Population);
  • D. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
  • E. ALTER TABLE world.city ADD SPATIAL INDEX (Name);
  • F. ALTER TABLE world.city ADD INDEX (Name);

Answer: B


NEW QUESTION # 52
Which two statements are true about the mysqld-auto.cnf file? (Choose two.)

  • A. It is read and processed at the end of startup configuration.
  • B. It is always updated with changes to system variables.
  • C. This file is for storing MySQL Server configuration options in ISON format.
  • D. This file is for storing MySQL server_uuid values only.
  • E. This file is for logging purposes only and is never processed.
  • F. It is read and processed at the beginning of startup configuration.

Answer: A,B


NEW QUESTION # 53
You are upgrading a MySQL instance to the latest 8.0 version.
Examine this output:

You plan to add this parameter to the configuration:
innodb_directories=’/innodb_extras’
Which statement is true?

  • A. It allows scanning of other locations to discover more innodb tablespaces.
  • B. It moves all innodb tablespaces to the /innodb_extrasdirectory to enable a new innodb_data_home_dirto be defined.
  • C. It defines all innodb tablespace options relative to a starting parent directory.
  • D. It is not necessary because innodb_data_home_diris already defined.
  • E. It adds more temporary workspace in addition to the innodb_tmpdirlocation.

Answer: D


NEW QUESTION # 54
An attempt to recover an InnoDB Cluster fails.
Examine this set of messages and responses:
host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage()
Reconfiguring the default cluster from complete outage…
The instance ‘host1:3377'’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
The instance ‘host2:3377’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
Dba.rebootClusterFromCompleteOutage: The active session instance isn’t the most updated in comparison with the ONLINE instances of the Cluster’s metadata. Please use the most up to date instance: ‘host1:3377’. (RuntimeError) Which statement is true?

  • A. The active session instance is invalid and must be re-created by using the command shell.connect (‘host3:3377’).
  • B. The cluster is running and there is at least one ONLINEinstance.
  • C. It is possible to determine the most up-to-date instance by comparing different global transaction identifier (GTID) sets with GTID_SUBSET(set1,set2).
  • D. The instance deployed on host3must be rebuilt with a backup from the primary instance.
  • E. The instance deployed on host3must be synchronized from a donor deployed on host1by using the command cluster.addInstance(‘host1:3377’).

Answer: E


NEW QUESTION # 55
Examine this command and output:

Which two statements are true? (Choose two.)

  • A. The lock is at the table object level.
  • B. The lock is an intentional lock.
  • C. The lock is a row-level lock.
  • D. The lock is a shared lock.
  • E. The lock is at the metadata object level.
  • F. The lock is an exclusive lock.

Answer: A,F


NEW QUESTION # 56
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