PASS GUARANTEED 2025 AUTHORITATIVE ORACLE 1Z0-921: HOT MYSQL 2021 IMPLEMENTATION ESSENTIALS QUESTIONS

Pass Guaranteed 2025 Authoritative Oracle 1Z0-921: Hot MySQL 2021 Implementation Essentials Questions

Pass Guaranteed 2025 Authoritative Oracle 1Z0-921: Hot MySQL 2021 Implementation Essentials Questions

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Hot 1Z0-921 Questions Pass Certify| Pass-Sure 1Z0-921 Reliable Study Guide: MySQL 2021 Implementation Essentials

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q14-Q19):

NEW QUESTION # 14
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?

  • A. /var/lib/mysql
  • B. /etc/my.cnf
  • C. /usr/mysql
  • D. /usr/redo
  • E. /usr/bin/logs
  • F. /var/lib/mysql/innodb

Answer: D


NEW QUESTION # 15
Which is true about inserting an additional line in a single document stored in MySQL document store?

  • A. The path specified must be an array position past the end of an array using the JSON_POSITION statement.
  • B. You cannot insert a single line, you have to replace the entire document with a new document.
  • C. You specify the new element,s position in the JSON_ARRAY_INSERT statement.
  • D. Any new lines can only be inserted at the end of the document.

Answer: C


NEW QUESTION # 16
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?

  • A. The table will be optimized and replicated.
  • B. The table storage space will be reduced.
  • C. The table statistics will be stored.
  • D. The table will be checked for errors and repaired.

Answer: A


NEW QUESTION # 17
Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

  • A. Allocating more CPU to the database instance to improve throughput performance.
  • B. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
  • C. Increasing the storage capacity so that the database can store more data to scale.
  • D. Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
  • E. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.

Answer: C


NEW QUESTION # 18
Which three statements describe MySQL Enterprise Backup?

  • A. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
  • B. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
  • C. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
  • D. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
  • E. MySQL Enterprise Backup provides the point-in-time recovery functionality.

Answer: C,D,E


NEW QUESTION # 19
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