Expert Answers to Oracle Exam 1z0-908 Questions

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MySQL Database Administration MySQL 8.0 Database Administrator

MySQL 8.0 Database Administrator

Last Update Dec 22, 2024
Total Questions : 140

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Questions 2

You made some table definition changes to a schema in your MySQL Server.

Which two statements reflect how MySQL Server handles the table definition changes? (Choose two.)

Options:

MySQL writes SDI to the binary log for distributed backups.

MySQL keeps InnoDB metadata changes in .sdi files in datadir.

The metadata is serialized in JSON format in Serialized Dictionary Information (SDI).

MySQL Server stores a copy of the serialized data in the InnoDB user tablespace.

MySQL implicitly executes FLUSH TABLES and stores a snapshot backup of the metadata.

Discussion 0

Questions 3

You have replication configured, which consists of one master and one slave on different hosts with an asynchronous replication channel between them.

Your goal is to decrease the amount of data that is transferred between these two hosts.

It is confirmed that the slave instance does not need to have data from the example database.

Which replication filter contributes to your goal?

Options:

on slave: --replicate-wild-ignore=example.%

on slave: --replicate-ignore-db=example

on master: --replicate-ignore-db=example

on master: --binlog-ignore-db=example

on slave: --binlog-ignore-db=example

Discussion 0

Questions 4

MySQL programs look for option files in standard locations.

Which method will show the option files and the order in which they are read?

Options:

shell> mysqladmin --debug

shell> mysql --print-defaults

shell> mysqld --help --verbose

mysql> SHOW GLOBAL VARIABLES;

Discussion 0

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Questions 5

Binary log events for the ‘mydb1’ schema must be copied to a different schema name ‘mydb2’.

Which command will do this?

Options:

mysqlbinlog --rewrite-db=’mydb1->mydb2’ | mysql

mysqlbinlog --datebase=mydb1 --database=mydb2 | mysql

mysqlbinlog --rewrite-db=’mydb1’ --rewrite-db=’mydb2’ | mysql

mysqlbinlog --read-from-remote-server --raw | sed ‘s/mydb1/mydb2/g’ | mysql

Discussion 0

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