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https://dev.mysql.com/doc/refman/8.4/en/audit-log.html
By default, MySQL Enterprise Audit uses tables in the mysql system database for persistent storage of filter and user account data. Note MySQL Enterprise Audit is an extension included in MySQL Enterprise Edition, a commercial product. MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/binlog.html
To execute BINLOG statements when applying mysqlbinlog output, a user account requires the BINLOG_ADMIN privilege (or the deprecated SUPER privilege), or the REPLICATION_APPLIER privilege plus the appropriate privileges to execute each log event. It ...
https://dev.mysql.com/doc/refman/8.4/en/connection-control-plugin.html
This capability provides a deterrent that slows down brute force attacks against MySQL user accounts. To collect information, it subscribes to the MYSQL_AUDIT_CONNECTION_CLASSMASK event class, and processes MYSQL_AUDIT_CONNECTION_CONNECT and ...
https://dev.mysql.com/doc/refman/8.4/en/general-security-issues.html
For information specifically about the access control system that MySQL uses for setting up user accounts and checking database access, see Section 2.9, “Postinstallation Setup and Testing”. This section describes general security issues to be ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-flow-control.html
Whenever the size of one of these queues exceeds the user-defined threshold, the throttling mechanism is triggered. MySQL Group Replication ensures that a transaction commits only after a majority of the members in a group have received it and ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-column-privileges-table.html
The COLUMN_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. TABLE_CATALOG The name of ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-schema-privileges-table.html
The SCHEMA_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. TABLE_CATALOG The name of ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-table-privileges-table.html
The TABLE_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. TABLE_CATALOG The name of ...
https://dev.mysql.com/doc/refman/8.4/en/order-by-optimization.html
This enables users to set sort_buffer_size to larger values to speed up larger sorts, without concern for excessive memory use for small sorts. Take into account that the size of column values stored in the sort buffer is affected by the ... This ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-applier-configuration-table.html
PRIVILEGE_CHECKS_USER The user account that provides the security context for the channel (CHANGE REPLICATION SOURCE TO option: PRIVILEGE_CHECKS_USER). This table shows the configuration parameters that affect transactions applied by the replica.