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https://dev.mysql.com/doc/refman/8.0/en/fractional-seconds.html
MySQL has fractional seconds support for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision: To define a column that includes a fractional seconds part, use the syntax type_name(fsp), where type_name is TIME, ...For ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-fractional-seconds.html
MySQL 8.0 permits fractional seconds for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision.
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
For example: mysql> SELECT DATE_ADD('2006-05-00',INTERVAL 1 DAY); -> NULL mysql> SELECT DAYNAME('2006-05-00'); -> NULL Several functions are strict when passed a DATE() function value as their argument and reject incomplete dates with a day part of ... This section describes the functions that can be used to manipulate temporal ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbd-definition.html
Then the first node group is formed from nodes 2 and 3, and the second node group by nodes 4 and 5. The first record represents the read in the index table and the second handles the operation on the base table. The second part specifies how many ...
https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html
'*,auth_plugin' Permit creating or altering accounts with two factors, where the first factor can be any authentication method, and the second factor must be the named plugin. avoid_temporal_upgrade Command-Line Format ... The MySQL server maintains ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-parameters.html
--innodb-status-file Command-Line Format --innodb-status-file[={OFF|ON}] Type Boolean Default Value OFF The --innodb-status-file startup option controls whether InnoDB creates a file named innodb_status.pid in the data directory and writes SHOW ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-system-variables.html
group_replication_components_stop_timeout specifies the time, in seconds, for which Group Replication waits for each of its modules to complete ongoing processes while shutting down. Before MySQL 8.0.27, the default component timeout is 31536000 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-disk-write-speed-aggregate.html
The disk_write_speed_aggregate table provides aggregated information about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/8.0/en/added-deprecated-removed.html
audit_log_flush_interval_seconds: Whether to perform a recurring flush of the memory cache. audit_log_prune_seconds: The number of seconds after which audit log files become subject to pruning. binlog_expire_logs_auto_purge: Controls automatic ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-restart-info.html
Each entry in the table corresponds to a node restart status report in real time from a data node with the given node ID. Only the most recent report for any given node is shown. The restart_info table contains the following columns: node_id Node ID ...