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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. What SQL keyword must be specified when creating a foreign key constraint?

A) unique PRIMARY key values for both child and parent tables
B) a TRIGGER on the child table for cascading delete statements
C) a REFERENCES in the child table to the parent table
D) an index on the foreign key
E) the SET_FOREGIN variable in the my .cnf file

2. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer does not have proper user rights.
B) The customer account might have reached resource quota/limits.
C) The customer reached the database instance limit of 32.
D) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.

3. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
B) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
C) MySQL Enterprise Backup comes with all MySQL editions including community edition.
D) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
E) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).

4. What three are ways to export and import data in MySQL Workbench?

A) Data Modeling Import Export Wizard
B) Result Data Export and Import
C) Table Data Export and Import Wizard
D) Binary Data Export and Import Wizard
E) Backup Data Export and Import Wizard
F) SQL Data Export and Import Wizard

5. Which two are advantages of using Document Store in MySQL?

A) MySQL provides a native data type to index PDF documents
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 NoSQL API to access the document store

Solutions: