1Z0-888 Dumps

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Oracle 1Z0-888 dumps - 100% Pass Guarantee!

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Vendor: Oracle

Certifications: Oracle Certifications

Exam Name: MySQL 5.7 Database Administrator

Exam Code: 1Z0-888

Total Questions: 155 Q&As ( View Details)

Last Updated: Mar 12, 2025

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1Z0-888 Q&A's Detail

Exam Code: 1Z0-888
Total Questions: 155
Single & Multiple Choice 155

1Z0-888 Online Practice Questions and Answers

Questions 1

Which three tasks are handled by the optimizer? (Choose three.)

A. Decide which indexes to use.

B. Rewrite the WHERE clause.

C. Parse the query.

D. Change the order in which the tables are joined.

E. Validate the query.

F. Execute the query.

G. Verify that the user is allowed to execute the query.

Show Answer
Questions 2

Group Replication uses global transaction identifiers to track executed transactions and are fundamental in avoiding transaction conflict. Which additional three steps help in avoiding conflicts in group replication? (Choose three.)

A. Set isolation level to be SERIALIZABLE.

B. Use the binary log row format.

C. Set isolation level to be READ COMMITTED.

D. Configure IPv6 network for hosts.

E. Guarantee a secondary index on every table.

F. Guarantee a primary key on every table.

G. Set multiple slave parallel worker threads.

Show Answer
Questions 3

You attempt to connect to a MySQL Server by using the mysql client program. However, you receive this notice:

What would you run to fix the issue?

A. the mysql_upgrade script

B. the mysql client with the --ignore-password-hashing option

C. the mysql_secure_installation script to update server security settings

D. the mysql client with the --enable-cleartext-plugin option

E. the install plugin command for the mysql_cleartext_password plugin

Show Answer
Questions 4

A MySQL instance has this configuration values set:

A transaction involving a single InnoDB INSERT statement commits. Which list of locations is in the sequence of disk writes for this transaction?

A. binary log, redo log, doublewrite buffer, and tablespace

B. redo log, binary log, doublewrite buffer, and tablespace

C. doublewrite buffer, redo log, tablespace, and binary log

D. redo log, doublewrite buffer, tablespace, and binary log

Show Answer
Questions 5

Given these table definitions and the explain plan: Which ALTER TABLE statement will improve the performance of the query?

A. ALTER TABLE `CountryLanguage` ADD INDEX `idx_Lang` (`Language`);

B. ALTER TABLE `Country` ADD INDEX `idx_Code` (`Code`);

C. ALTER TABLE `CountryLanguage` ADD INDEX `idx_OffLang` (`IsOfficial`, `Language`);

D. ALTER TABLE `Country` ADD INDEX `idx_NameCont` (`Name`, `CountryCode`);

Show Answer More Questions

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Oracle 1Z0-888 exam official information: An Oracle Certified Professional, MySQL 8.0 Database Administrator credential acknowledges that the candidate has the required knowledge of the MySQL architecture and possesses the skills to install and configure MySQL database.