Oracle 1Z0-920 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1Z0-920
Exam Name/Title: MySQL 2019 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: MySQL Cloud Service

Exam Questions: 70
Updated On: Jun 22, 2026

Question #1

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

A. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

B. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;

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 t1 INNER JOIN info t2 WHERE t1.name=t2.name;

Discussion 0

Correct Answer: C Vote an answer

Question #2

Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A. Use Network-attached storage (NAS) for the data files.

B. use SSD's for data and replication logs

C. smaller VM's work best - with a maximum of eight vCPU's and 16GB of RAM

D. Networks must be in separate regions.

E. The number of machines per group must be 3, 5, 7 or 9.

F. isolated machine resources

G. Groups must be in even numbers; 2, 4, 6, 8.

Discussion 0

Correct Answer: A,E,G Vote an answer

Question #3

Which three are characteristics of the JSON data type?

A. It is based on the TEXT data type.

B. It supports indexing directly against the JSON-defined column.

C. It validates the JSON syntax on insert or merge.

D. A set of SQL functions substantially support the SQL utilization of the data type.

E. Key or array references enable quick read-access to look up document elements directly.

F. Comparisons of JSON values are not case-sensitive.

Discussion 0

Correct Answer: B,C,E Vote an answer

Question #4

Which statement will display the status of the partitioning plug-in?

A. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';

B. USE SYS SCHEMA; SHOW PLUGINS STATUS;

C. SHOW PLUGINS WHERE Name= 'partition';

D. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';

Discussion 0

Correct Answer: A Vote an answer

Question #5

Which two are advantages of using Document Store in MySQL?

A. MySQL provides a NoSQL API to access the document store

B. MySQL can store XML as a schema-less database

C. MySQL provides a native data type to store JSON data as a document

D. MySQL is a document database allowing PDF and Word documents

E. MySQL provides a native data type to index PDF documents

Discussion 0

Correct Answer: A,B Vote an answer

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Question #6

Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A. connections through the local host via the UNIX socket file

B. SECURID authentication and authorization identity

C. Native Windows services

D. authentication via Pluggable Authentication Modules (PAMs)

E. authentication using SHA-256 password hashing

F. Simple Authentication and Security Layer

Discussion 0

Correct Answer: A,C,D,E Vote an answer

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Question #7

Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A. MySQL Audit and MySQL Workbench

B. SQL Enterprise Monitor and MySQL Enterprise Authentication

C. MySQL Enterprise Monitor and MySQL Audit

D. MySQL Workbench and MySQL Enterprise Firewall

Discussion 0

Correct Answer: B Vote an answer

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