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Oracle 1z0-908 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-908
Exam Name:
MySQL 8.0 Database Administrator
Certification:
MySQL Database Administration
Vendor:
Oracle
Questions:
140
Last Updated:
Apr 3, 2025
Exam Status:
Stable
Oracle 1z0-908

1z0-908: MySQL Database Administration Exam 2025 Study Guide Pdf and Test Engine

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MySQL 8.0 Database Administrator Questions and Answers

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Question 1

Your MySQL server was upgraded from an earlier major version.

The sales database contains three tables, one of which is the transactions table, which has 4 million rows.

You are running low on disk space on the datadir partition and begin to investigate.

Examine these commands and output:

Which two statements are true? (Choose two.)

Options:

A.

Executing SET GLOBAL innodb_row_format=COMPRESSED and then ALTER TABLE transactions

will free up disk space.

B.

Executing ALTER TABLE transactions will enable you to free up disk space.

C.

Truncating the sales and leads table will free up disk space.

D.

Truncating the transactions table will free up the most disk space.

E.

The transactions table was created with innodb_file_per_table=OFF.

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Question 2

You have semi-synchronous replication configured and working with one slave. rpl_semi_sync_master_timeout has never been reached.

You find that the disk system on the master has failed and as a result, the data on the master is completely unrecoverable.

Which two statements are true? (Choose two.)

Options:

A.

No committed transactions are lost.

B.

The slave automatically identifies that the master is unreachable and performs any required actions so that applications can start using the slave as the new master.

C.

As soon as the incident happens, application can read data from the slave and rely on it to return a full and current set of data.

D.

Reads from the slave can return outdated data until the value of the rpi_semi_sync_master_timeout variable is reached.

E.

Reads from the slave can return outdated data for some time, until it applies all transactions from its relay log.

F.

A small amount of committed transactions may be lost in case they were committed just before the disk failure.

Question 3

You are backing up raw InnoDB files by using mysqlbackup.

Which two groups of files will be backed up during a full backup? (Choose two.)

Options:

A.

ibbackup files

B.

*.CSM files

C.

*.sdi files

D.

*.ibd files

E.

ib_logfile* files

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