1Z1-921 Exam Dumps Demo - Hot 1Z1-921 Questions

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Latest 1Z1-921 Exam Dumps Demo & Free Demo Hot 1Z1-921 Questions: MySQL 2021 Implementation Essentials

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q18-Q23):

NEW QUESTION # 18
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

Answer: A

NEW QUESTION # 19
Which is true about inserting an additional line in a single document stored in MySQL document store?

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

Answer: C

NEW QUESTION # 20
Which three statements describe MySQL Enterprise Backup?

A. MySQL Enterprise Backup provides the point-in-time recovery functionality.
B. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
C. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
D. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
E. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.

Answer: A,B,D

NEW QUESTION # 21
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. Key or array references enable quick read-access to look up document elements directly.
C. It supports indexing directly against the JSON-defined column.
D. It validates the JSON syntax on insert or merge.
E. Comparisons of JSON values are not case-sensitive.
F. It is based on the TEXT data type.

Answer: B,C,D

NEW QUESTION # 22
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. You need to agree to the maintenance windows. If not, you are not affected by the outage.
D. There are no maintenance operations planned. You need to do them manually.

Answer: B

NEW QUESTION # 23
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