https://dev.mysql.com/enum.html
An ENUM is a string object with a value chosen from a list of permitted values that are enumerated explicitly in the column specification at table creation time. It has these advantages: Compact data storage in situations where a column has a ...
https://dev.mysql.com/constraint-enum.html
ENUM and SET columns provide an efficient way to define columns that can contain only a given set of values. See Section 11.4.4, “The ENUM Type”, and Section 11.4.5, “The SET Type”. With strict mode enabled (see Section 5.1.11, “Server ...
https://dev.mysql.com/string-type-overview.html
For additional information about properties and storage requirements of the string types, see Section 11.4, “String Types”, and Section 11.8, “Data Type Storage Requirements”. In some cases, MySQL may change a string column to a type ...
https://dev.mysql.com/mysql-cluster-replication-conflict-resolution.html
When using a replication setup involving multiple masters (including circular replication), it is possible that different masters may try to update the same row on the slave with different data. Conflict resolution in NDB Cluster Replication ...
https://dev.mysql.com/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/innodb-online-ddl-operations.html
Online support details, syntax examples, and usage notes for DDL operations are provided under the following topics in this section. Index Operations Primary Key Operations Column Operations Generated Column Operations Foreign Key Operations Table ...
https://dev.mysql.com/c-api-data-structures.html
This section describes C API data structures other than those used for prepared statements, the asychronous interface, or the replication stream interface. For information about those, see Section 28.7.9, “C API Prepared Statement Data ...
https://dev.mysql.com/mysql-command-options.html
mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 4.2.7, “Using Option Files”. This ...
https://dev.mysql.com/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/source-installation-doxygen.html
The MySQL source code contains internal documentation written using Doxygen. It is also possible to generate this content locally from a MySQL source distribution using the following procedure: Install doxygen 1.8.11 or higher. Distributions are ...
