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问题:单选题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 bef...
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问题:单选题You want a record of all queries that are not using indexes. How would you achieve this?()A By enabling the Slow Query Log because all queries that are not using indexes will be logged automaticallyB By enabling the Error Log because not using indexes ...
问题:单选题Which MySQL utility program should you to process and sort the slow Query log based on query time or average query time?()A MysqlaccessB MysqldumpC MysqlshowD MysqlslowE Mysqldumpslow...
问题:单选题You adjust a default configuration to the following /etc/my.cnf on a Linux installation:[mysqld] Loq-bin Binrylog_format=ROW You do not notice the spelling error in binrylog_format and restart your production server. How does the MySQL server behave wi...
问题:多选题What are three facts about backups with mysqldump?()ACan back up a remote database serverBAllow a consistent backup to be takenCAre always faster to restore than binary backupsDAre able to back up specific items within a databaseECreate automatically c...
问题:单选题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...
问题:单选题A database exists as a read-intensive server that is operating with query_cachek_type =DEMAND. The database is refreshed periodically, but the resultset size of the queries does not fluctuate. Note the following details about this environment: A web ap...
问题:单选题You use—login-path to access a MySQL server on a Linux installation. Which statement is true about the – login-path option that is created by using mysql_config_editor?()A All system users have access to the MySQL server via—login path localB login-pat...
问题:单选题Review the definition of the phone_list view. CHEATE OR REPLACE ALGORITHM=MERGE DEFINER= 'root'@localhost' SQL SECURITY DEFINER VIEW 'phone_list' AS SELECT e . id as id 'e . first_name AS 'first_name' 'e . last_name AS 'last_name' 'coalesce ( ph1.phone...
问题:多选题Which three tasks can be performed by using the performance Schema?()AFinding queries that are not using indexesBFinding rows that are locked by InnoDBCFinding client connection attributesDFinding the part of a code in which a single query is spending ...
问题:多选题Mysqldump was used to create a single schema backup; Shell mysqldump –u root –p sakila sakila2013.sql Which two commands will restore the sakila database without interfering with other running database?()AMysql> USE sakila; LOAD DATA INFILE 'sakila201...
问题:单选题ROW-based replication has stopped working. You investigate the error log file and find the following entries: 2013-08-27 14:15:47 9056 [ERROR] Slave SQL: Could not execute Delete_rows event on table test.t1; Can't find record in 't1', Error_code: 1032;...
问题:多选题You want to shutdown a running Mysql Server cleanly. Which three commands that are valid on either Windows or Linux will achieve this?()AShell> mysqladmin –u root –p shutdownBShell> nmc mysql shutdownCMysql> STOP PROCESS mysqldDShell> /etc/init.d/mysql...
问题:单选题Consider the following: Which statement best describes the meaning of the value for the key_len column?()A It shows the total size of the index rowB It shows how many columns in the index are examinedC It shows the number of characters indexed in th...
问题:单选题You want to start monitoring statistics on the distribution of storage engines that are being used and the average sizes of tables in the various databases. Some details are as follows: The Mysql instance has 400 databases. Each database on an average ...
问题:单选题You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?()A The snapshot size will continue to grow as changes t...
问题:多选题Which two requirements would lead towards a high availability solution?()AWhen uptime is criticalBWhen data must be refactoredCWhen application concurrency is staticDWhen data loss is unacceptableEWhen application is a single point of failure...