what s on the companion website
Tài liệu MySQL Administrator''''s Bible- P1 pptx
... professional services If professional assistance is required, the services of a competent professional person should be sought Neither the publisher nor the author shall be liable for damages arising ... go/mysqladminbible) The website contains new material and up to-date information about evolving MySQL features ON the WEBSITE What s on the Companion Website On the companion website (www.wiley.com/go/mysqladminbible), ... in the previous section As another installation method, some operating systems offer MySQL packages; this is not recommended for reasons discussed in the 12 Please purchase PDF Split-Merge on...
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Tài liệu MySQL Administrator''''s Bible- P2 docx
... mysqladmin old-password pass Changes the connection password to pass for the user account specified Similar to the password command but stores the password using the password hashing format used ... the mysqld server using the -u and -p options to specify a username and password Two connections are made: the first enters a password at a prompt and the second specifies the password on the shell ... of these GUI tools, first you will need to make a connection to mysqld It is common to use the ssh protocol to establish secure connections One of the reasons SQLyog stands out among other tools...
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Tài liệu MySQL Administrator''''s Bible- P3 docx
... though SQL standard SET SESSION commands such as SET SESSION AUTHORIZATION, and SET SESSION CHARACTERISTICS are not valid, there are valid nonstandard SET SESSION commands, such as: SET SESSION character_set_client=latin1; ... variables To avoid confusion, always use SHOW SESSION VARIABLES or SHOW GLOBAL VARIABLES and SET GLOBAL, SET @@global, SET SESSION, or SET @@session ■ Database options such as the default character set ... examples and uses for the functions with nonstandard behaviors, and the more frequently used nonstandard functions ON the WEBSITE Aliases The following MySQL extensions are aliases to standard SQL statements:...
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Tài liệu MySQL Administrator''''s Bible- P4 pdf
... STATUS — See the information in Chapter 21 on the GLOBAL_STATUS and SESSION_STATUS system views in the INFORMATION_SCHEMA database SHOW STATUS shows session variables by default To avoid confusion, ... SESSION_VARIABLES system views in the INFORMATION_SCHEMA database SHOW VARIABLES shows session variables by default To avoid confusion, always specify either SHOW GLOBAL VARIABLES or SHOW SESSION ... Extends and Deviates from SQL The LOCAL and @@local specifiers are aliases for SESSION and @@session, respectively We recommend using SESSION and @@session so there is no question about the difference...
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Tài liệu MySQL Administrator''''s Bible- P5 doc
... option to mysqld or the SET GLOBAL sql_mode=string command The sql_mode server variable can be set per session with the SET SESSION sql_mode=string command The string argument can be the empty string ... the desired result is the average of the lengths of time — 00:00:00 and 06:13:41 (0 and hours, 13 minutes, and 41 seconds) So the time itself is converted to seconds, the number of seconds is averaged, ... in the first field of the result As you can see, it is not in human-readable format The second field of the result casts the result as an integer, and the third field casts the result as a bit string...
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Tài liệu MySQL Administrator’s Bible- P8 pdf
... With the GLOBAL modifier SHOW STATUS shows the status for all connections to the server With the SESSION modifier it shows the status for the current connection If neither is specified it show the session ... specify either GLOBAL or SESSION modifiers By default, SHOW STATUS will show SESSION variables This may or may not be your intention, so to avoid confusion, always specify GLOBAL or SESSION as ... different transaction The SERIALIZABLE isolation level provides the slowest performance but also the most isolation between transactions The mysqld isolation level is set by the tx_isolation system variable...
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Tài liệu MySQL Administrator’s Bible- P9 doc
... nine sections These sections provide a snapshot of activity occurring inside the InnoDB storage engine Table 11-5 lists these sections TABLE 11-5 InnoDB Status Sections Section Name Description Semaphores ... is a subsystem that manages tables Most database management systems have one subsystem to manage tables; MySQL Server can use different subsystems Because a storage engine is applied at the table ... controller, the controller immediately tells the server the flush is complete The server considers it committed and is free to other task The RAID controller then flushes the writes stored in the...
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Tài liệu MySQL Administrator’s Bible- P10 ppt
... compression The compression level is an integer between and A gives the fastest backup/worst compression level, and a gives the slowest backup/best compression A means no compression is performed ... information is saved as a CHANGE MASTER statement If n is set to 2, the information is saved as a commented out CHANGE MASTER statement If this option is specified mysqldump assumes you want a consistent ... systems is one of the best ways to create a consistent, physical hot backup of your database files A file system snapshot provides a point-in-time view (snapshot) of a disk partition Consider what...
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Tài liệu MySQL Administrator’s Bible- P11 doc
... will be discussed in the next section Access Control Lists An ACL (Access Control List) is a list of permissions that is associated with an object This list is the basis for MySQL server s security ... SUBPARTITION s5 , SUBPARTITION s6 , SUBPARTITION s7 ), PARTITION p2 VALUES LESS THAN (2010) ( SUBPARTITION s8 , SUBPARTITION s9 , SUBPARTITION s1 0, SUBPARTITION s1 1), Please purchase PDF Split-Merge on www.verypdf.com ... permissions on another server Here is a sample of the mk-show-grants command on a system with more users Password hashes have been removed: shell> /mk-show-grants -u root -ppassword Grants dumped...
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Tài liệu MySQL Administrator’s Bible- P12 pdf
... MySQL Administration TABLE 16-3 SHOW SLAVE STATUS Field Descriptions Field Name Description Master_Host The hostname or IP address of the master server Master_User User used to establish the connection ... process that reads from the relay log and then replays the statements or data changes for the MySQL process on the slave server The end result of this process is that the slave server has executed ... encryption ssl-key=file_name The filename of the SSL key file used for SSL-based connections ssl-verify-server-cert When using this option mysqlslap verifies that the Common Name value of the server’s...
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Tài liệu MySQL Administrator’s Bible- P13 pdf
... query session The script uses SHOW SESSION STATUS and SHOW SESSION VARIABLES setvars Used to set MySQL variables You can specify any variable you want configured before query execution begins socket ... join Sort scan Sort range Sort mrg pass 0 182 152 0.0 /s 0 /s 0 /s 0.0 /s 0.0 /s 0.0 /s 0.01 0.00 0.00 The SELECT and Sort subsection provides information about the Select_status values These values can ... Option Description user username Specifies the username used by mysqlreport to for connection to mysqld password password Specifies the password used by mysqlreport to connect to mysqld host...
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Tài liệu MySQL Administrator’s Bible- P14 docx
... INDEX Yes Yes Yes No No INSERT INSERT Yes Yes Yes No No LOCK TABLES LOCK TABLES on all tables the user is allowed the SELECT privilege Yes Yes No No No PROCESS SHOW PROCESSLIST shows all users’ processes ... Options Option Example Usage Description bind-address bind-address= 192.168.1.1 Binds the mysqld server to the specified IP address Only one address may be specified mysqld only accepts connections ... is possible to subvert the reason trust is allowed IN THIS CHAPTER Using access control lists Accessing the operating system Securing backups and logs Securing data Creating security policies...
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Tài liệu MySQL Administrator’s Bible- P16 doc
... instantiation of our system view for the current session If the function that stores the row is successful, status gets a value of If there was an error, status gets a value of status is returned on ... proxy-backendaddresses=host:port The proxy-address option specifies where the mysql-proxy listens The default value is :4040, which is the same as localhost:4040 The proxy-backend-addresses option specifies the ... structures are backends, connection, servers, queries, and global The second level also contains many constants used for comparison, as shown in Table A-5 TABLE A-5 MySQL Proxy Constants Constant...
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Tài liệu MySQL Administrator''''s Bible- P8 doc
... With the GLOBAL modifier SHOW STATUS shows the status for all connections to the server With the SESSION modifier it shows the status for the current connection If neither is specified it show the session ... specify either GLOBAL or SESSION modifiers By default, SHOW STATUS will show SESSION variables This may or may not be your intention, so to avoid confusion, always specify GLOBAL or SESSION as ... different transaction The SERIALIZABLE isolation level provides the slowest performance but also the most isolation between transactions The mysqld isolation level is set by the tx_isolation system variable...
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Tài liệu MySQL Administrator''''s Bible- P9 doc
... nine sections These sections provide a snapshot of activity occurring inside the InnoDB storage engine Table 11-5 lists these sections TABLE 11-5 InnoDB Status Sections Section Name Description Semaphores ... is a subsystem that manages tables Most database management systems have one subsystem to manage tables; MySQL Server can use different subsystems Because a storage engine is applied at the table ... controller, the controller immediately tells the server the flush is complete The server considers it committed and is free to other task The RAID controller then flushes the writes stored in the...
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Tài liệu MySQL Administrator''''s Bible- P10 doc
... compression The compression level is an integer between and A gives the fastest backup/worst compression level, and a gives the slowest backup/best compression A means no compression is performed ... information is saved as a CHANGE MASTER statement If n is set to 2, the information is saved as a commented out CHANGE MASTER statement If this option is specified mysqldump assumes you want a consistent ... systems is one of the best ways to create a consistent, physical hot backup of your database files A file system snapshot provides a point-in-time view (snapshot) of a disk partition Consider what...
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mysql administrators bible
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