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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Use the provided private key for authentication.
B) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
C) Convert the private key to ppk format first and use the new private key for authentication.
D) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.

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

A) use SSD,s for data and replication logs
B) Use Network-attached storage (NAS) for the data files.
C) Networks must be in separate regions.
D) Groups must be in even numbers; 2, 4, 6, 8.
E) The number of machines per group must be 3, 5, 7 or 9.
F) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
G) isolated machine resources

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

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

5. You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A) Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
B) Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
C) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
D) Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
E) Use mysqldump with the - -changesonly option.

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