Due to an authentication plug-in that is used on the server, passwords are required to be sent as clear text as opposed to the usual encrypted format.
Which two methods would allow the mysql client to connect to the server and send clear text passwords? (Choose two.)
How does the InnoDB storage engine handle deadlocks when they are detected?
Which two statements are true about InnoDB auto-increment locking? (Choose two.)
There are multiple instances of MySQL Server running on a single OS that is backed up using the mysqlbackup command.
The /etc/my/cnf contains default values, for example, datadir=/var/lib/mysql/, with extra instances having their own separate my.cnf file (for example /etc/mysql/instanceN.cnf) overriding the defaults.
A restore of the second instance is attempted from the mysqlbackup archive using this command:
mysqlbackup --backup-dir=/opt/backup/mysql/instance2 copy-back
Upon starting the second MySQL instance, you notice that the data does not match the expected backup. Which command-line option is required to successfully update the second instance?
You are receiving complaints from your application administrators that they are seeing periodic stalls in database response (no queries to any table are returning results for several seconds or longer). You monitor your system and notice that the durations of those stalls correspond to peaks in disk I/O.
Which 2 things should you investigate?
Which storage option for MySQL data directory typically offers the worst performance in a highly concurrent, OLTP-heavy, IO-bound workload?
A particular government’s security policy is to have very strict data encryption and safety settings. This is done by restricting access based on their own CA authority and limiting access to particular users within a department. Which method could be used to restrict access as required?
