Free Oracle 1Z1-921 Exam Dumps Questions & Answers


Exam Code/Number:	1Z1-921Join the discussion
Exam Name:	MySQL 2021 Implementation Essentials
Certification:	Oracle
Free Question Number:	78
Publish Date:	Aug 14, 2026
# of views:	1309
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Page: 1 / 16
Total 78 questions

Question 1

What is Kubernetes in the context of MySQL?
Response:

A.A cloud service provided by Oracle for MySQL databases.
B.An open-source container orchestration platform.
C.A database management tool for MySQL.
D.A database engine for MySQL.

Question 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;

Question 3

Which two statements are correct about MySQL Enterprise Edition?

A.MySQL configuration can be changed in /etc/lib/myi.cnf.
B.MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
C.Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
D.MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
E.Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.

Question 4

You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

A.Use mysqldump to import data from the sakila_dummy database sample data set.
B.Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
C.Use MySQL Enterprise High Availability to access one of the available data tables
D.Execute the sakila-data. sqi script to populate the database

Question 5

Which two are advantages of using Document Store in MySQL?

A.MySQL provides a native data type to index PDF documents
B.MySQL provides a NoSQL API to access the document store
C.MySQL provides a native data type to store JSON data as a document
D.MySQL can store XML as a schema-less database
E.MySQL is a document database allowing PDF and Word documents