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Rechercher dans le manuel MySQL

Displaying 11 to 20 of 139 total results
https://dev.mysql.com/mysql-cluster-online-operations.html
row *************************** Level: Warning Code: 1478 Message: DYNAMIC column c4 with STORAGE DISK is not supported, column will become FIXED mysql> SHOW CREATE TABLE t1\G *************************** 1. row *************************** Level: ...
https://dev.mysql.com/bug-reports.html
Search the bugs database at http://bugs.mysql.com/ to see whether the bug has been reported and fixed. A good bug report, containing a full test case for the bug, makes it very likely that we will fix the bug in the next release. Any bug that we are ... Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at ...
https://dev.mysql.com/myisamchk-table-info.html
varchar prefix 0 1024 87 80 varchar 0 3 168 3 multip. For strings, it may be shorter than the full length of the indexed column, because you can index a prefix of a string column. Packed MySQL tries to pack key values that have a common suffix. This ... To obtain a description of a MyISAM table or statistics about it, use the commands shown ...
https://dev.mysql.com/mysql-cluster-ndbinfo-memory-per-fragment.html
The memory_per_fragment table provides information about the usage of memory by individual fragments. The following table provides information about the columns in the memory_per_fragment table. For each column, the table shows the name, data type, ...
https://dev.mysql.com/data-size.html
Many languages can be written primarily using single-byte utf8 characters, so a fixed storage length often wastes space. (InnoDB compressed tables are readable and writable, while MyISAM compressed tables are read-only.) For MyISAM tables, if you do ... Design your tables to minimize their space on the ...
https://dev.mysql.com/mysql-cluster-disk-data-objects.html
NDB Cluster Disk Data storage is implemented using the following objects: Tablespace: Acts as containers for other Disk Data objects. A tablespace contains one or more data files and one or more undo log file groups. Undo log file: Contains undo ...
https://dev.mysql.com/mysql-cluster-limitations-database-objects.html
In addition, the maximum offset for a fixed-width column of an NDB table is 8188 bytes; attempting to create a table that violates this limitation fails with NDB error 851 Maximum offset for fixed-size columns exceeded. NDB Cluster 8.0 supports a ...
https://dev.mysql.com/mysql-cluster-programs-ndb-restore.html
The path may be absolute or relative to the directory in which the ndb_restore executable is located, and may be optionally prefixed with backup_path=. --exclude-intermediate-sql-tables[=TRUE|FALSE] Property Value Command-Line Format ... The NDB ...
https://dev.mysql.com/mysql-nutshell.html
When sorting JSON values in a query using ORDER BY, each value is now represented by a variable-length part of the sort key, rather than a part of a fixed 1K in size. This change has the following benefits for performance: Sort buffer space is now ... This section summarizes what has been added to, deprecated in, and removed from MySQL ...
https://dev.mysql.com/mysqlcheck.html
--defaults-group-suffix=str Read not only the usual option groups, but also groups with the usual names and a suffix of str. If the --defaults-group-suffix=_other option is given, mysqlcheck also reads the [client_other] and [mysqlcheck_other] ...
Displaying 11 to 20 of 139 total results

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