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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 ...
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问题:多选题What are two methods of taking a binary backup of a Mysql Server using InnoDB storage engine?()AFile system snapshotsBMysqldumpslowCMysqlhotcopyDMysqldump with – binary-data optionEMysql Enterprise Backup...
问题:多选题Which two statements are true about setting the per-thread buffers higher than required?()AMore memory per thread is beneficial in all scenariosBIt causes increased overhead due to initial memory allocationCIt can affect system stability during peak lo...
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: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...
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:多选题Which two statements describe the behavior of the server's SQL mode?()AThe server's SQL mode determines how the server should behave when performing data validation check and interpreting different forms of syntaxBThe server's SQL mode determines wheth...
问题:单选题User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?()A UPDATE pets…B SELECT….FROM petsC INSERT INTO pets…D ALTER TABLE pets…...
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: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: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:多选题You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server. Which two changes would ensure that the temporary table does not propagate to the slave...
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 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:单选题Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3; What is the outcome of executing the above statement?()A A syntax error will result as you cannot specify more than one partition in the same state...
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...
问题:多选题Which three are properties of the MyISAM storage engine?()ATransaction supportBFULLTEXT indexing for text matchingCTable and page level locking supportDForeign key supportEGeospatial indexingFHASH index supportGTable level locking only...