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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q52-Q57):

NEW QUESTION # 52
Which query will find rows in a table that have no counterpart in another table?

A. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
B. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
C. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
D. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

Answer: B

NEW QUESTION # 53
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

Answer: E

NEW QUESTION # 54
MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
B. Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
C. Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
D. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';

Answer: B,D

NEW QUESTION # 55
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
B. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
C. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
D. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.

Answer: C

NEW QUESTION # 56
You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A. Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
B. Go to the configuration section (MEM) and configure the default login credentials.
C. Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
D. Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.

Answer: C

NEW QUESTION # 57
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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q52-Q57):

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