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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. How would you restrict a user Joe from accessing all MySQL database objects?

A) Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
B) CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
C) UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
D) CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
E) REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;

2. Which two statements are correct about MySQL Enterprise Edition?

A) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
B) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
C) MySQL configuration can be changed in /etc/lib/myi.cnf.
D) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
E) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.

3. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) dictionary substitution
B) random data substitution
C) strict or relaxed masking
D) whitelisting and substitution
E) misspelling

4. Which three are requirements for MySQL Group Replication (GR)?

A) The binary log format must be set to mixed.
B) Data to be replicated must be stored in the InnoDB transactional storage engine.
C) The use of global transaction identifiers is required.
D) The minimum number of required nodes for achieving a consensus is two.
E) GR only works with MySQL versions 8.0.12 or higher.
F) Primary keys are required on every replicated table.

5. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A) Only the t1 table is created.
B) Only the t2 table is created.
C) Both the tables, t1 and t2, are created.
D) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.

Solutions: