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Rechercher dans le manuel MySQL
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https://dev.mysql.com/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Reserved words are permitted as ...
https://dev.mysql.com/memory-storage-engine.html
MEMORY performance is constrained by contention resulting from single-thread execution and table lock overhead when processing updates. In particular, the table locking involved with performing updates can slow down concurrent usage of MEMORY tables ... The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents that are stored in ...
https://dev.mysql.com/mysql-cluster-programs-ndbd.html
In a multi-processor system performing a large number of operations (including updates), the ndbd process can consume up to 2 CPUs if permitted to do so. ndbd is the process that is used to handle all the data in tables using the NDB Cluster ...
https://dev.mysql.com/mysql-commands.html
If you are running with --safe-updates enabled, status also prints the values for the mysql variables that affect your queries. mysql sends each SQL statement that you issue to the server to be executed. There is also a set of commands that mysql ...
https://dev.mysql.com/mysql-innodb-cluster-working-with-cluster.html
Similarly if you modify the cluster structure, for example changing the number of instances, you need to repeat this process for each server instance to update the InnoDB cluster metadata accordingly for each instance in the cluster. If you want to ... This section explains how to work with InnoDB cluster, and how to handle common administration ...
https://dev.mysql.com/mysql-stmt-execute.html
Statement processing following mysql_stmt_execute() depends on the type of statement: For an UPDATE, DELETE, or INSERT, the number of changed, deleted, or inserted rows can be found by calling mysql_stmt_affected_rows(). int ...
https://dev.mysql.com/mysql-stmt-fetch.html
Type Length MYSQL_TYPE_TINY 1 MYSQL_TYPE_SHORT 2 MYSQL_TYPE_LONG 4 MYSQL_TYPE_LONGLONG 8 MYSQL_TYPE_FLOAT 4 MYSQL_TYPE_DOUBLE 8 MYSQL_TYPE_TIME sizeof(MYSQL_TIME) MYSQL_TYPE_DATE sizeof(MYSQL_TIME) MYSQL_TYPE_DATETIME sizeof(MYSQL_TIME) ... int ...
https://dev.mysql.com/mysql-tips.html
Input-Line Editing Disabling Interactive History Unicode Support on Windows Displaying Query Results Vertically Using Safe-Updates Mode (--safe-updates) Disabling mysql Auto-Reconnect mysql Client Parser Versus Server Parser Input-Line Editing mysql ... This section provides information about techniques for more effective use of mysql and about mysql operational ...
https://dev.mysql.com/mysqld-safe.html
mysqld_safe tries to use the sleep and date system utilities to determine how many times per second it has attempted to start. mysqld_safe is the recommended way to start a mysqld server on Unix. mysqld_safe adds some safety features such as ...
https://dev.mysql.com/MySQLInstallerConsole.html
And from the command line, optionally change the directory to where MySQLInstallerConsole.exe is located: C:\> cd Program Files (x86)\MySQL\MySQL Installer for Windows C:\Program Files (x86)\MySQL\MySQL Installer for Windows> ...
Document created the 26/06/2006, last modified the 26/10/2018
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