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Rechercher dans le manuel MySQL
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https://dev.mysql.com/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. This section describes some ...
https://dev.mysql.com/string-types.html
The string types are CHAR, VARCHAR, BINARY, VARBINARY, BLOB, TEXT, ENUM, and SET. This section describes how these types work and how to use them in your queries. For string type storage requirements, see Section 11.8, “Data Type Storage ...
https://dev.mysql.com/sys-diagnostics.html
Creates a report of the current server status for diagnostic purposes. This procedure disables binary logging during its execution by manipulating the session value of the sql_log_bin system variable. That is a restricted operation, so the ...
https://dev.mysql.com/innodb-page-compression.html
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported Platforms Page compression requires sparse ...
https://dev.mysql.com/replication-options-binary-log.html
binlog_format Property Value Command-Line Format --binlog-format=format System Variable binlog_format Scope Global, Session Dynamic Yes SET_VAR Hint Applies No Type Enumeration Default Value ROW Valid Values ROWSTATEMENTMIXED This variable sets the ... Startup Options Used with Binary Logging System Variables Used with Binary Logging You can use the mysqld options and system variables that are described in this section to affect the operation of the binary log as well as to control which statements are written to the binary ...
https://dev.mysql.com/mysql-get-option.html
int mysql_get_option(MYSQL *mysql, enum mysql_option option, const void *arg) Returns the current value of an option settable using mysql_options(). The option argument is the option for which you want its value. The arg argument is a pointer to a ...
https://dev.mysql.com/compressed-format.html
If a column has only a small set of possible values, the data type is converted to ENUM. Compressed storage format is a read-only format that is generated with the myisampack tool. Compressed tables have the following characteristics: Compressed ...
https://dev.mysql.com/c-api-asynchronous-data-structures.html
enum net_async_status The enumeration type used to express the return status of asynchronous C API functions. Enumeration Status Value Description NET_ASYNC_COMPLETE Asynchronous operation is complete NET_ASYNC_NOT_READY Asynchronous operation is ...
https://dev.mysql.com/sys-ps-is-account-enabled.html
Returns YES or NO to indicate whether Performance Schema instrumentation for a given account is enabled. mysql> SELECT sys.ps_is_account_enabled('localhost', 'root'); +------------------------------------------------+ | ...
https://dev.mysql.com/sys-ps-is-consumer-enabled.html
Returns YES or NO to indicate whether a given Performance Schema consumer is enabled, or NULL if the argument is NULL. If the argument is not a valid consumer name, an error occurs. (Prior to MySQL 8.0.18, the function returns NULL if the argument ...
Document created the 26/06/2006, last modified the 26/10/2018
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