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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three are characteristics of the JSON data type?

A) It is based on the TEXT data type.
B) Key or array references enable quick read-access to look up document elements directly.
C) It validates the JSON syntax on insert or merge.
D) Comparisons of JSON values are not case-sensitive.
E) It supports indexing directly against the JSON-defined column.
F) A set of SQL functions substantially support the SQL utilization of the data type.

2. 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 engine for MySQL.
D) A database management tool for MySQL.

3. The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

A)

B)

C)

D)

4. 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 can store XML as a schema-less database
D) MySQL is a document database allowing PDF and Word documents
E) MySQL provides a native data type to store JSON data as a document

5. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
B) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
C) Any new lines can only be inserted at the end of the document.
D) You cannot insert a single line, you have to replace the entire document with a new document.

Solutions: