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多项选择题

A.The General Query Log records more data than the Binary Log
B.The binary Log records more data than the General Query Log
C.The Slow Query Log records more data than the General Query Log
D.The General Query Log records more data than the Slow Query Log
E.The Slow Query Log records more data than the Binary Log
F.The Binary Log records more data than the Slow Query Log

多项选择题

A.Both technologies guarantee an identical copy of data on the secondary node
B.Only MySQL can maintain a time-delayed copy of data on the secondary node
C.Both technologies use the TCP/IP stack as their primary transmission medium
D.DRBD uses shared-disk technology

单项选择题

A.InnoDB uses row and table-level locks, but row locks are not escalates
B.InnoDB locks only those rows that are updated
C.InnoDB only uses row locks, not page or table-level locks
D.InnoDB row locks may be escalated to page or table-level locks
E.InnoDB uses row-level or table-level locks depending on the number of rows affected

单项选择题

A.Convert the column to TEXT and add a fulltext index to the table
B.Create multiple prefix indexes of differing lengths
C.Convert their column to BINARY
D.Redesign the table so that the most commonly searched for string patterns are in their own columns

单项选择题

A.It is a static variable and can be set only at MySQL server startup
B.It enables and starts the General Query Log
C.It sets the target location for the binary logs generated by the MySQL sever
D.It specifies output destinations for the slow and General Query logs

单项选择题

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

多项选择题

A.$ mysqladmin – u root – p – h localhost test – restore /tmp/t1.sql
B.Mysql> INSERT INTO t1 VALUES FROM '/tmp/t1.sql'
C.$ mysql – u root – p – h localhost test < /tmp/t1.sql
D.Mysql> LOAD DATA INFILE '/tmp/t1.sql' INTO TABLE t1
E.$ mysqlinport – u root – p – h localhost test /tmp/t1.sql

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