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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Database Design and Development | - Schema design principles - Data types and normalization |
| Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which statement is used to create a new MySQL database?
Response:
- A. CREATE TABLE
- B. NEW DATABASE
- C. CREATE DATABASE
- D. CREATE SCHEMA
Correct Answer: C 🗳️
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. Execute the sakila-data. sqi script to populate the database
- B. Use mysqldump to import data from the sakila_dummy database sample data set.
- C. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
- D. Use MySQL Enterprise High Availability to access one of the available data tables
Correct Answer: C 🗳️
Which three are characteristics of the JSON data type?
- A. A set of SQL functions substantially support the SQL utilization of the data type.
- B. It validates the JSON syntax on insert or merge.
- C. It is based on the TEXT data type.
- D. Key or array references enable quick read-access to look up document elements directly.
- E. It supports indexing directly against the JSON-defined column.
- F. Comparisons of JSON values are not case-sensitive.
Correct Answer: B,D,E 🗳️
You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?
- A. Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
- B. You can expect an outage of your MySQL OCI instance during the planned time..
- C. There are no maintenance operations planned. You need to do them manually.
- D. You need to agree to the maintenance windows. If not, you are not affected by the outage.
Correct Answer: B 🗳️
Which two are advantages of using Document Store in MySQL?
- A. MySQL provides a NoSQL API to access the document store
- B. MySQL provides a native data type to store JSON data as a document
- C. MySQL provides a native data type to index PDF documents
- D. MySQL is a document database allowing PDF and Word documents
- E. MySQL can store XML as a schema-less database
Correct Answer: A,E 🗳️
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