Oracle 1Z0-921 Exam : MySQL 2021 Implementation Essentials

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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Manager
B) Oracle Data Pump
C) Oracle Enterprise Backup
D) Oracle Application Express

2. Which statement would you use to remove the population column from the city table?

A) DROP population FROM city;
B) ALTER TABLE city LESS population;
C) DELETE population FROM city;
D) ALTER TABLE city DROP population;
E) ALTER TABLE city DELETE population;

3. By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A) It allows backup to be done on the slave without impacting the master.
B) It provides multi-master access where the application can write and read data across the database servers.
C) You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
D) MySQL Enterprise Backup will back up from Slave automatically.
E) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

4. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) SLAVE RUN
B) START RUN SLAVE
C) SLAVE START
D) START SLAVE
E) RUN SLAVE

5. 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) The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it 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 test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
D) You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.

Solutions: