Rechercher dans le manuel MySQL

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https://dev.mysql.com/checking-gpg-signature.html
WARNING: This key is not certified with a trusted signature! There is no indication that the signature belongs to the owner.: This refers to your level of trust in your belief that you possess our real public key. Another method of verifying the ...
https://dev.mysql.com/mysql-innodb-cluster-limitations.html
Attempting to use instances with a host name that resolves to an IP address which does not match a real network interface fails with an error that This instance reports its own address as the hostname. As InnoDB cluster uses Group Replication, you ...
https://dev.mysql.com/mysql-cluster-installer-using.html
Real-time: Maximize performance while maximizing sensitivity to timeouts in order to minimize the time needed to detect failed cluster processes. The NDB Cluster Auto-Installer interface is made up of several pages, each corresponding to a step in ...
https://dev.mysql.com/optimizing-queries-myisam.html
If you often need to calculate results such as counts based on information from a lot of rows, it may be preferable to introduce a new table and update the counter in real time. Some general tips for speeding up queries on MyISAM tables: To help ...
https://dev.mysql.com/floating-point-types.html
MySQL permits a nonstandard syntax: FLOAT(M,D) or REAL(M,D) or DOUBLE PRECISION(M,D). The FLOAT and DOUBLE types represent approximate numeric data values. MySQL uses four bytes for single-precision values and eight bytes for double-precision ...
https://dev.mysql.com/innodb-parameters.html
Because the adaptive hash index may not be useful for all workloads, conduct benchmarks with it both enabled and disabled, using realistic workloads. Setting a limit on this value reduces the size of the index, thus speeding up queries, by omitting ... System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- ...
https://dev.mysql.com/compatibility.html
We are not targeting real-time support, although MySQL replication capabilities offer significant functionality. This section describes how MySQL relates to the ANSI/ISO SQL standards. MySQL Server has many extensions to the SQL standard, and here ...
https://dev.mysql.com/mysql-cluster-management.html
More detailed information about NDB Cluster operations is available in real time through an SQL interface using the ndbinfo database. Managing an NDB Cluster involves a number of tasks, the first of which is to configure and start NDB Cluster. This ...
https://dev.mysql.com/mysql-cluster-ndb-innodb-engines.html
The NDB storage engine is implemented using a distributed, shared-nothing architecture, which causes it to behave differently from InnoDB in a number of ways. For those unaccustomed to working with NDB, unexpected behaviors can arise due to its ...
https://dev.mysql.com/mysql-cluster-ndb-innodb-usage.html
When comparing application feature requirements to the capabilities of InnoDB with NDB, some are clearly more compatible with one storage engine than the other. The following table lists supported application features according to the storage ...
Displaying 31 to 40 of 78 total results

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Document created the 26/06/2006, last modified the 26/10/2018
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