You are using the Performance Schema to investigate replication on a slave which has a single master. The option slave-parallel-type is set to DATABASE.

Assume that all instruments and consumers are enabled and all threads are instrumented.
Which two facts can be concluded from the given output?

You have the following in your my.cnf configuration file:
[mysqld]
default_authentication_plugin=sha256_password
You want to create a new user who will be connecting from the IP address 192.0.2.10, and you want to use the authentication plug-in that implements SHA-256 hashing for user account passwords. Which two statements would create a user named webdesign for this IP address with the password of imbatman using a SHA_256 password hash?

After rebooting the host, you attempt to start the mysqldservice. You get the following error:
Can't start the server: Bind on TCP/IP port: Address already in use
What is the most likely cause of this error?

You have set innodb_stats_auto_recalc to OFF.
For tables using persistent statistics, what is the outcome of this change?

You have a MySQL instance with the following variables in the /etc/my.cnf file:

You issue these statements:
USE prices;
UPDATE sales.january SET amount=amount+1000;
An hour after excluding the statements, you realize that you made a mistake and you want to go to the binary log and look at the statements again.
Which statement is true? (Choose two.)