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https://dev.mysql.com/doc/refman/8.4/en/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/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
This example demonstrates combining --config-binary-file with other ndb_config options to obtain useful output: $> ndb_config --config-binary-file=../mysql-cluster/ndb_50_config.bin.1 --diff-default --type=ndbd config of [DB] node id 5 that is ...
https://dev.mysql.com/doc/refman/8.4/en/obtaining-plugin-information.html
Any that have a PLUGIN_LIBRARY value of NULL are built in and cannot be unloaded. row *************************** PLUGIN_NAME: binlog PLUGIN_VERSION: 1.0 PLUGIN_STATUS: ACTIVE PLUGIN_TYPE: STORAGE ENGINE PLUGIN_TYPE_VERSION: 80100.0 PLUGIN_LIBRARY: ... There are several ways to determine which plugins are installed in the server: The Information Schema PLUGINS table contains a row for each loaded ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-list.html
Note In MySQL 8.4, it is possible to match against only a list of integers (and possibly NULL—see Section 26.2.7, “How MySQL Partitioning Handles NULL”) when partitioning by LIST. List partitioning in MySQL is similar to range partitioning in ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-management-exchange.html
Table nt contains no foreign key references, and no other table has any foreign keys that refer to nt. There are no rows in nt that lie outside the boundaries of the partition definition for p. For InnoDB tables, both tables must use the same row ...
https://dev.mysql.com/doc/refman/8.4/en/pluggable-authentication-system-variables.html
authentication_ldap_sasl_bind_base_dn Command-Line Format --authentication-ldap-sasl-bind-base-dn=value System Variable authentication_ldap_sasl_bind_base_dn Scope Global Dynamic Yes SET_VAR Hint Applies No Type String Default Value NULL For SASL ...
https://dev.mysql.com/doc/refman/8.4/en/precision-math-examples.html
This section provides some examples that show precision math query results in MySQL. These examples demonstrate the principles described in Section 14.24.3, “Expression Handling”, and Section 14.24.4, “Rounding Behavior”. Consider the ...
https://dev.mysql.com/doc/refman/8.4/en/sys-sys-config.html
The value is NULL if the row has not been changed since the sys schema was installed. (For example, the variable corresponding to the diagnostics.include_raw option is @sys.diagnostics.include_raw.) If the user-defined variable exists in the current ... This table contains sys schema configuration options, one row per ...
https://dev.mysql.com/doc/refman/8.4/en/type-conversion.html
The following rules describe how conversion occurs for comparison operations: If one or both arguments are NULL, the result of the comparison is NULL, except for the NULL-safe <=> equality comparison operator. When an operator is used with operands ...
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-reference.html
| +------------------------------------+ An argument of NULL is treated as an empty string, which has no effect on the token list. (It is not an error to delete nonexisting tokens.) To clear the token list entirely without knowing which tokens are ... The following discussion serves as a reference to these Version Tokens elements: Version Tokens Functions Version Tokens System Variables Version Tokens Functions The Version Tokens plugin library includes several ...