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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q28-Q33):

NEW QUESTION # 28
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A. Encryption key is stored in a centralized key memory location
B. Tablespace keys are managed manually behind the scenes.
C. Data is encrypted automatically, in real time, after it is written to storage.
D. Enables data-at-rest encryption by encrypting the physical files of the database.

Answer: D

NEW QUESTION # 29
Which query will find rows in a table that have no counterpart in another table?

A. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
B. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
C. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
D. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;

Answer: D

NEW QUESTION # 30
How does MySQL HeatWave improve query performance?
Response:

A. By replicating data across multiple servers.
B. By caching the entire database in memory.
C. By automatically creating indexes on frequently used columns.
D. By offloading analytics queries to an in-memory, highly parallel processing engine.

Answer: D

NEW QUESTION # 31
Which MySQL command is used to grant specific privileges to a user on a database?
Response:

A. GIVE ACCESS
B. SET PRIVILEGES
C. GRANT PERMISSIONS
D. GRANT

Answer: D

NEW QUESTION # 32
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
B. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
C. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
D. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.

Answer: B

NEW QUESTION # 33
......

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