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https://dev.mysql.com/doc/refman/8.4/en/firewall-installation.html
Note To use MySQL Enterprise Firewall in the context of source/replica replication, Group Replication, or InnoDB Cluster, you must prepare the replica nodes prior to running the installation script on the source node. MySQL Enterprise Firewall ...
https://dev.mysql.com/doc/refman/8.4/en/general-tablespaces.html
The unique file name is a 128 bit UUID formatted into five groups of hexadecimal numbers separated by dashes (aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee). A general tablespace is a shared InnoDB tablespace that is created using CREATE TABLESPACE syntax.
https://dev.mysql.com/doc/refman/8.4/en/generated-column-index-optimizations.html
This occurs if the WHERE, ORDER BY, or GROUP BY clause refers to an expression that matches the definition of some indexed generated column. For example: CREATE TABLE t1 (f1 INT, gc INT AS (f1 + 1) STORED, INDEX (gc)); The generated column, gc, is ...
https://dev.mysql.com/doc/refman/8.4/en/gis-property-functions.html
Each function that belongs to this group takes a geometry value as its argument and returns some quantitative or qualitative property of the geometry. Such functions return NULL if the argument is of an incorrect geometry type. For example, the ...
https://dev.mysql.com/doc/refman/8.4/en/help.html
HELP 'search_string' The HELP statement returns online information from the MySQL Reference Manual. Its proper operation requires that the help tables in the mysql database be initialized with help topic information (see Section 7.1.17, ...
https://dev.mysql.com/doc/refman/8.4/en/identifier-mapping.html
The following names are reserved and appended with @@@ if used in schema or table names: CON PRN AUX NUL COM1 through COM9 LPT1 through LPT9 CLOCK$ is also a member of this group of reserved names, but is not appended with @@@, but @0024 instead.
https://dev.mysql.com/doc/refman/8.4/en/identifiers.html
Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, resource group and other object names are known as identifiers. Section 11.2.1, “Identifier Length Limits”, indicates ...
https://dev.mysql.com/doc/refman/8.4/en/index-btree-hash.html
In other words, to be able to use an index, a prefix of the index must be used in every AND group. Understanding the B-tree and hash data structures can help predict how different queries perform on different storage engines that use these data ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-general-table-reference.html
The following table summarizes INFORMATION_SCHEMA general tables. For greater detail, see the individual table descriptions. Table 28.2 INFORMATION_SCHEMA General Tables Table Name Description ADMINISTRABLE_ROLE_AUTHORIZATIONS Grantable users or ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-metrics-table.html
You can also perform these actions for a group of counters using their common module name. The INNODB_METRICS table provides a wide variety of InnoDB performance information, complementing the specific focus areas of the Performance Schema tables ...