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Q51. Which two statements describe the behavior of the server’s SQL mode?
A. The server’s SQL mode determines how the server should behave when performing data validation check and interpreting different forms of syntax.
B. The server’s SQL mode determines whether the server should be read-only or should accept commands such as INSERT and UPDATE.
C. The server’s SQL mode can be changed at the session level with a SET SESSION sql_mode=”new_value” command.
D. The server’s SQL mode, when globally set on a slave server, applies to events sent from the master.
Answer: B
Q52. Consider the MySQL Enterprise Audit plugin,
You add the following lines to the my.cnf configuration tile:
[mysqld]
Plugin-load=audit_log.so
Audit-log=FORCE_PLUS_PERMANENT
You attempt to start up the MySQL service and notice that it fails to start.
Which two statements would explain why the service did not start?
A. FORCE_PLUS_PERMANENT is not valid for the audit-log option.
B. The audit_log.so library does not exist.
C. The audit_log.so library is in a location that is different from that defined by the plugin_dir option.
D. The audit plugin must be loaded dynamically by using the INSTALL PLUGIN command.
E. The audit log file does not exist in which to write audit events.
F. The audit_log.so library is not an executable file.
Answer: D
Reference: http://dev.mysql.com/doc/refman/5.6/en/audit-log-plugin-installation.html
Q53. A user executes the statement;
PURGE BINARY LOGS TO ‘mysql-bin.010’;
What is the result?
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’.
Answer: B
Reference: http://dev.mysql.com/doc/refman/5.5/en/purge-binary-logs.html
Q54. What are four capabilities of the mysql client program?
A. Creating and dropping databases
B. Creating, dropping, and modifying tables and indexes
C. Shutting down the server by using the SHUTDOWN command
D. Creating and administering users
E. Displaying replication status information
F. Initiating a binary backup of the database by using the START BACKUP command
Answer: B,D,E,F
Q55. You have table ‘apps’,’userdata’ on server that uses MyISAM storage engine. You want to transfer this data to server but use InnoDB engine instead.
You execute the following commands:
ServerB commands:
Shell> mysqldump –u root –h server –no-data apps userdata | mysql –u root –p apps
Shell> mysql –u root –p –h server –e ‘ALTER TABLE ‘apps’,’userdata’ ENGINE=InnoDB;’
Shell> mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata | mysql –u root –p apps
What effect does the – order-by-primary argument have on the mysqldump command?
A. It exports tables with the most indexes first to assist with import speeds.
B. It ensures that unique indexes have no conflicts when the data is dumped.
C. It orders by primary key to assist in speeding up importing to InnoDB tables.
D. It must be specified so index data is dumped correctly when –on-create-info is used.
Answer: C
Q56. Which MySQL utility program should you to process and sort the slow Query log based on query time or average query time?
A. Mysqlslow
B. Mysqldumpslow
C. Mysqlshow
D. Mysqldump
E. Mysqlaccess
Answer: B
Reference: http://dev.mysql.com/doc/refman/5.0/en/mysqldumpslow.html
Q57. You want to shutdown a running Mysql Server cleanly.
Which three commands that are valid on either Windows or Linux will achieve this?
A. Shell> pkill –u mysql mysqld_safe
B. Shell> service mysql safe_exit
C. Shell> /etc/init.d/mysql stop
D. Shell> mysqladmin –u root –p shutdown
E. Mysql> STOP PROCESS mysqld;
F. Shell> net stop mysql
G. Shell> nmc mysql shutdown
Answer: C,D,E
Q58. Consider the Mysql Enterprise Audit plugin.
You are checking user accounts and attempt the following query:
Mysql> SELECT user, host, plugin FROM mysql.users;
ERROR 1146 (42S02): Table ‘mysql.users’ doesn’t exist
Which subset of event attributes would indicate this error in the audit.log file?
A. NAME=”Query”
STATUS=”1146”
SQLTEXT=”select user,host from users”/>
B. NAME=”Error”
STATUS=”1146”
SQLTEXT=”Error 1146 (42S02): Table ‘mysql.users’ doesn’t exist”/>
C. NAME=”Query”
STATUS=”1146”
SQLTEXT=” Error 1146 (42S02): Table ‘mysql.users’ doesn’t exist”/>
D. NAME=”Error”
STATUS=”1146”
SQLTEXT=”select user,host from users”/>
E. NAME=”Error”
STATUS=”0”
SQLTEXT=”Error 1146 (42S02): Table ‘mysql.users’ doesn’t exist”/>
Answer: C
Q59. Consider the following:
Mysql> EXPLAIN SELECT * FROM City WHERE Name = ‘Jacksonville’ AND CountryCode = ‘USA’ \G ******************************** 1. row ******************************** Id: 1 Select_type: SIMPLE Table: City Type: ref Possible_keys: name_country_index Key: name_country_index Ref: const, const Rows: 1 Extra: Using where
Which statement best describes the meaning of the value for the key_len column?
A. It shows the total size of the index row.
B. It shows how many columns in the index are examined.
C. It shows the number of characters indexed in the key.
D. It shows how many bytes will be used from each index row.
Answer: C
Q60. Identify a performance impact when using the Performance Schema.
A. There is no impact on performance.
B. There is an overhead for querying the Performance Schema but not for having it enabled.
C. There is a constant overhead regardless of settings and workload.
D. The overhead depends on the settings of the Performance Schema.
Answer: B
