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Oracle 1z0-888 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-888
Exam Name:
MySQL 5.7 Database Administrator
Certification:
MySQL Database Administration
Vendor:
Oracle
Questions:
124
Last Updated:
Nov 21, 2024
Exam Status:
Stable
Oracle 1z0-888

1z0-888: MySQL Database Administration Exam 2024 Study Guide Pdf and Test Engine

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MySQL 5.7 Database Administrator Questions and Answers

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Question 1

Which two statements are true about InnoDB auto-increment locking? (Choose two.)

Options:

A.

InnoDB never uses table-level locks.

B.

InnoDB always protects auto-increment updates with a table-level lock

C.

InnoDB does not use locks to enforce auto-increment uniqueness.

D.

The auto-increment lock can be a table-level lock.

E.

Some settings for innodb_autoinc_lock_mode can help reduce locking.

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Question 2

You are no longer able to log in to an existing MySQL Server because the root password credentials not working. You need to reset the root password to complete various administrative tasks. What are the two major methods that will achieve this? (Choose two.)

Options:

A.

Start the MySQL Server in --safe-mode, which only loads the privilege system for changes as data is inaccessible.

B.

Start the MySQL Server with reset-root-password in my.cnf, which will prompt you to enter a new root user password.

C.

Start the MySQL Server with --init-file pointing to SQL that executes an ALTER USER statement to change the root user password.

D.

Start the MySQL Server with --skip-grant-tables and execute SQL, which will update the root password.

E.

Start the MySQL Server with –initialize-insecure to force a password reset procedure on the command line.

Question 3

Consider the join_buffer_size parameter in MySQL Server.

Which two statements are true about the join buffer? (Choose two.)

Options:

A.

The value should be increased if the client performs several SELECT operations.

B.

The join buffer is set per connection.

C.

The join buffer is used to process sorts when complex joins are being performed.

D.

The value should be increased from the default if the query joins large rows without using an index.

E.

The join buffer is global and can be changed only by restarting the server.

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