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https://dev.mysql.com/doc/refman/8.4/en/column-indexes.html
The most common type of index involves a single column, storing copies of the values from that column in a data structure, allowing fast lookups for the rows with the corresponding column values. The B-tree data structure lets the index quickly ...
https://dev.mysql.com/doc/refman/8.4/en/connecting-using-uri-or-key-value-pairs.html
This section describes use of URI-like connection strings or key-value pairs to specify how to establish connections to the MySQL server, for clients such as MySQL Shell. For information on establishing connections using command-line options, for ...
https://dev.mysql.com/doc/refman/8.4/en/connection-access.html
When you attempt to connect to a MySQL server, the server accepts or rejects the connection based on these conditions: Your identity and whether you can verify it by supplying the proper credentials. A failure at either step causes the server to ...
https://dev.mysql.com/doc/refman/8.4/en/connection-compression-control.html
Connections to the server can use compression on the traffic between client and server to reduce the number of bytes sent over the connection. By default, connections are uncompressed, but can be compressed if the server and the client agree on a ...
https://dev.mysql.com/doc/refman/8.4/en/connection-control-plugin-installation.html
This section describes how to install the connection control plugins, CONNECTION_CONTROL and CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS. For general information about installing plugins, see Section 7.6.1, “Installing and Uninstalling Plugins”.
https://dev.mysql.com/doc/refman/8.4/en/constraint-foreign-key.html
Foreign keys let you cross-reference related data across tables, and foreign key constraints help keep this spread-out data consistent. MySQL supports ON UPDATE and ON DELETE foreign key references in CREATE TABLE and ALTER TABLE statements. The ...
https://dev.mysql.com/doc/refman/8.4/en/constraints.html
MySQL enables you to work both with transactional tables that permit rollback and with nontransactional tables that do not. Because of this, constraint handling is a bit different in MySQL than in other DBMSs. We must handle the case when you have ...
https://dev.mysql.com/doc/refman/8.4/en/corrupted-myisam-tables.html
Even though the MyISAM table format is very reliable (all changes to a table made by an SQL statement are written before the statement returns), you can still get corrupted tables if any of the following events occur: The mysqld process is killed ...
https://dev.mysql.com/doc/refman/8.4/en/create-logfile-group.html
CREATE LOGFILE GROUP logfile_group ADD UNDOFILE 'undo_file' [INITIAL_SIZE [=] initial_size] [UNDO_BUFFER_SIZE [=] undo_buffer_size] [REDO_BUFFER_SIZE [=] redo_buffer_size] [NODEGROUP [=] nodegroup_id] [WAIT] [COMMENT [=] 'string'] ENGINE [=] ...
https://dev.mysql.com/doc/refman/8.4/en/create-spatial-reference-system.html
srs_attribute: { NAME 'srs_name' | DEFINITION 'definition' | ORGANIZATION 'org_name' IDENTIFIED BY org_id | DESCRIPTION 'description' } srid, org_id: 32-bit unsigned integer This statement creates a spatial reference system (SRS) definition and ...