多选题A MySQL replication slave is set up as follows: User all InnoDB tables Receives ROW-based binary logs Has the read-only option The replication slave has been found in an error state. You check the MySQL error log file and find the following entries: 20

A.MySQL requires correct file ownership while remaining secure

B.MySQL needs to be run as the root user, but file cannot be owned by it

C.MySQL cannot be run as the root user

Consider the MySQL Enterprise Audit plugin.On attempting to start the MySQL service after a crash, notice the following error: [ERROR] Plugin ‘audit_log’ init function returned error.In the audit log file, you notice the final entry:…What action should you take to fix the error and allow the service to start?（）

A.Re-install the audit plugin

B.Execute the command FLUSH LOGS

C.Execute the command SET GLOBAL audit_log_fiush= ON

D.Move or rename the existing audit.log file

While reviewing the MySQL error log, you see occasions where MySQL has exceeded the number of file handles allowed to it by the operating system.Which method will reduce the number of file handles in use?（）

A.Activating the MySQL Enterprise thread pool plugin

B.Relocating your data and log files to separate storage devices

C.Disconnecting idle localhost client sessions

D.Implementing storage engine data compression options

A.STOP SLAVE; SET GLOBAL SQL_SLAVE_SKIP_COUNTER=1; START SLAVE

B.STOP SLAVE; BEGIN; SET GTID_IGNORE="aaa-bbb-ccc-ddd-eee: 3"; COMMIT; START SLAVE

C.STOP SLAVE; SETGTID_NEXT="aaa-bbb-ccc-ddd-eee: 3"; BEGIN; COMMIT; SET GTID_NEXT="AUTOMATIC"; START SLAVE

D.STOP SLAVE; RESET SLAVE; BEGIN; SKIP NEXT GTID; COMMIT; START SLAVE

The validate_password plugin is loaded and displays the following settings in global variables: Mysql＞ SHOW VARIABLES LIKE ‘validate_password%’;When attempting to set your password, you get the following error: Mysql＞ SET PASSWORD = PASSWORD (‘Hoverl@%’);ERROR 1819 (HY000): Your password does not satisfy the current policy requirements What is the cause of the error?（）

A.The password is eight characters long, but needs to exceed validate_password_length to be valid

B.All of the MEDIUM password policy requirements have not been honored

C.The password matches a substring Hover as a dictionary word

D.The password does not match the validate_passoword_number_count requirement

E.There is no dictionary file defined, so password validation cannot work as expected

A MySQL replication slave is set up as follows: User all InnoDB tablesReceives ROW-based binary logs Has the read-only optionThe replication slave has been found in an error state.You check the MySQL error log file and find the following entries:2013-08-27 13:55:44 9056 [ERROR] Slave SQL: Could not execute Write_rows event on table test.tl; Duplicate entry ‘3’ for key’PRIMARY’ , Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event’s master log 56_master-bin.000003, end_log_pas 653, Error_code: 10622013-08-27 13:55:44 9056 [Warning] Salve: Duplicate entry ‘3’ for key ‘PRIMARY’Error_code: 10622013-08-27 13:55:44 9056 [ERROR] Error running query, slave SQL thread aborted. Fix theproblem, and restart the slave SQL thread with SLAVE START”, We stopped at log ‘56_masterbin.000003’ position 496 What are two possible causes for this error to occur?（）

A.The slave was created with mysqldump –u root –p – skip-lock-table—all-databases > /data/data.sql

B.The slave user does have INSERT, UPDATE, or DELETE permission and cannot execute the write_rows function

C.For tables with UNIQUE keys, statement-based replication must be used maintain integrity

D.The root user on the slave has executed FLUSH LOGS, causing the relay-log to doublewrite

E.The applications have the SUPER privilege, which allows them to update rows

You have forgotten the root user account password. You decide to reset the password and execute the following:Shell＞ /etc/init.d/mysql stopShell＞ /etc/init.d/mysql start – skip-grant tablesWhich additional argument makes this operation safer?（）

A.–skip-networking, to prohibit access from remote locations

B.–reset-grant-tables, to start the server with only the mysql database accessible

C.–read-only,to set all data to read-only except for super users

D.–old-passwords, to start Mysql to use the old password format while running without the grant tables

A.It deletes all binary log files, except ‘mysql-in.010‘

B.It deletes all binary log files up to and including ‘mysql-bin.010‘

C.It deletes all binary log files before ‘mysql-bin.010‘

D.It deletes all binary log files after ‘mysql-bin.010‘

A.The master.info and relay.info files

B.The relay log files

C.The relay index file

D.Mysql.slave_master_info table

E.Mysql.slave_relay_log_info table

F.Mysql.slave_worker_info table

You execute the following statement in a Microsoft Windows environment. There are no conflicts in the path name definitions.C: \＞ mysqld – install Mysql56 – defaults – file = C :\my –opts.cnf What is the expected outcome?（）

A.Mysql is installed as the Windows service name Mysql56, and uses c: \my-opts.cnf as the configuration file

B.An error message is issued because – install is not a valid option for mysqld

C.A running Mysql 5.6 installation has its runtime configuration updated with the server variables set in c: \my-opts.cnf

D.Mysqld acts as an MSI installer and installs the Mysql 5.6 version, with the c: \my-opts.cnf configuration file