Oracle 1Z1-921 Exam : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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;

2. Which query will find rows in a table that have no counterpart in another table?

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

3. Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

A) The opc user can be used to access MySQL only with the created SSH-Key.
B) The OCI instance is still in the "creation" process.
C) Only root is allowed to access from non-localhost.
D) You forgot to create the correct SSL/TLC certificate during the setup process.
E) You forgot to enable port 3306.

4. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Advisors
B) MySQL Query Analyzer
C) MySQL Dashboard
D) Query Analyzer

5. Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A) monitoring the availability of the MySQL Instance
B) tracing import and export with mysqldump
C) creating e-mail alerts and SNMP traps for MySQL warnings
D) starting and stopping the MySQL instance
E) analyzing executed MySQL queries
F) deploying MySQL agent on supported target operating system

Solutions: