https://dev.mysql.com/miscellaneous-functions.html
In this case, the GROUPING() return value represents a bitmask combined from the results for each expression, where the lowest-order bit corresponds to the result for the rightmost expression. The value is a 128-bit number represented as a utf8 ...
https://dev.mysql.com/myisamchk-table-info.html
uint24 NULL 0 1024 Field Start Length Nullpos Nullbit Type 1 1 1 2 2 4 no zeros 3 6 81 varchar 4 87 81 varchar 5 168 3 1 1 no zeros 6 171 3 1 2 no zeros Explanations for the types of information myisamchk produces are given here. Nullpos, Nullbit ...
https://dev.mysql.com/mysql-cluster-replication-conflict-resolution.html
Additional storage is required for tables using the NDB$EPOCH() and NDB$EPOCH_TRANS() functions; from 1 to 32 bits extra space per row is required, depending on the value passed to the function. This column should be defined as follows: ... When ...
https://dev.mysql.com/mysql-kill.html
mysql_kill() cannot handle values larger than 32 bits, but to guard against killing the wrong thread returns an error in these cases: If given an ID larger than 32 bits, mysql_kill() returns a CR_INVALID_CONN_HANDLE error. After the server's ... int ...
https://dev.mysql.com/c-api-data-structures.html
The flags value may have zero or more of the bits set that are shown in the following table. This section describes C API data structures other than those used for prepared statements, the asychronous interface, or the replication stream interface.
https://dev.mysql.com/charset-unicode-utf32.html
utf32 uses 32 bits for every character, unlike ucs2 (which uses 16 bits for every character), and unlike utf16 (which uses 16 bits for some characters and 32 bits for others). The utf32 character set is fixed length (like ucs2 and unlike utf16).
https://dev.mysql.com/faqs-replication.html
Does replication work on mixed hardware architectures (for example, the master runs on a 64-bit machine while slaves run on 32-bit machines)? A.13.1. Does replication work on mixed hardware architectures (for example, the master runs on a 64-bit ...
https://dev.mysql.com/hexadecimal-literals.html
In numeric contexts, MySQL treats a hexadecimal literal like a BIGINT (64-bit integer). 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 ...
https://dev.mysql.com/innodb-information-schema-system-tables.html
The FLAG field provides bit level information about table format and storage characteristics. TYPE is a numerical value representing bit flags that provide additional information about the foreign key column. You can extract metadata about schema ...
https://dev.mysql.com/innodb-memcached-internals.html
Expiration time is defined as a 32-bit integer for Unix time (the number of seconds since January 1, 1970, as a 32-bit value), or the number of seconds starting from the current time. flags: Must be mapped to an INTEGER of at least 32-bits and can ... The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded ...
