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https://dev.mysql.com/doc/refman/8.4/en/blob.html
A BLOB is a binary large object that can hold a variable amount of data. These differ only in the maximum length of the values they can hold. These correspond to the four BLOB types and have the same maximum lengths and storage requirements. They ...
https://dev.mysql.com/doc/refman/8.4/en/charset-collation-names.html
MySQL collation names follow these conventions: A collation name starts with the name of the character set with which it is associated, generally followed by one or more suffixes indicating other collation characteristics. For example, ...
https://dev.mysql.com/doc/refman/8.4/en/charset-conversion.html
To convert a binary or nonbinary string column to use a particular character set, use ALTER TABLE. For successful conversion to occur, one of the following conditions must apply: If the column has a binary data type (BINARY, VARBINARY, BLOB), all ...
https://dev.mysql.com/doc/refman/8.4/en/charset-unicode-sets.html
This section describes the collations available for Unicode character sets and their differentiating properties. MySQL supports multiple Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per ...
https://dev.mysql.com/doc/refman/8.4/en/hexadecimal-literals.html
Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, A..F). Lettercase of the digits and of any leading X does not matter. A leading 0x is case-sensitive and cannot be written as 0X.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its config.ini or my.cnf file. By default, the management node is the source for the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-howto.html
This section describes a process for configuring and starting GTID-based replication in MySQL 8.4. This is a “cold start” procedure that assumes either that you are starting the source server for the first time, or that it is possible to stop ...
https://dev.mysql.com/doc/refman/8.4/en/replication-howto-masterbaseconfig.html
To configure a source to use binary log file position based replication, you must ensure that binary logging is enabled, and establish a unique server ID. Each server within a replication topology must be configured with a unique server ID, which ...
https://dev.mysql.com/doc/refman/8.4/en/string-literals.html
A string is a sequence of bytes or characters, enclosed within either single quote (') or double quote (") characters. Examples: 'a string' "another string" Quoted strings placed next to each other are concatenated to a single string. The following ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-capacity-options.html
These options limit the resources used by the backup process, in order to minimize backup overhead for busy or huge databases, or specify behaviors of the process when encountering resource issues. --number-of-buffers=num_buffers Command-Line ...