1Z1-921 VALID EXAM TESTKING & 1Z1-921 VALID DUMPS SHEET

1Z1-921 Valid Exam Testking & 1Z1-921 Valid Dumps Sheet

1Z1-921 Valid Exam Testking & 1Z1-921 Valid Dumps Sheet

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q22-Q27):

NEW QUESTION # 22
Which three options are valid reasons for using a primary key in a table?

  • A. preventing duplicate keys
  • B. to make it easier to change the PRIMARY KEY value
  • C. increasing performance when using select statements
  • D. automatic storage of data in a sorted order
  • E. maintaining a history of row insertions or updates
  • F. exporting data faster with mysqldump

Answer: A,C,F


NEW QUESTION # 23
Which two statements are true about MySQL Enterprise Firewall?

  • A. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
  • B. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
  • C. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
  • D. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
  • E. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
  • F. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.

Answer: A,C


NEW QUESTION # 24
The slave connects to the master and asks for updated records. What command was issued for this to happen?

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

Answer: B


NEW QUESTION # 25
Which three statements describe MySQL Enterprise Backup?

  • A. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
  • B. MySQL Enterprise Backup provides the point-in-time recovery functionality.
  • 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 can be used to send backups to Oracle Cloud Infrastructure Storage Service.

Answer: B,C,D


NEW QUESTION # 26
Which two are advantages of using Document Store in MySQL?

  • A. MySQL provides a native data type to store JSON data as a document
  • B. MySQL can store XML as a schema-less database
  • C. MySQL provides a native data type to index PDF documents
  • D. MySQL is a document database allowing PDF and Word documents
  • E. MySQL provides a NoSQL API to access the document store

Answer: B,E


NEW QUESTION # 27
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