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https://dev.mysql.com/doc/refman/9.7/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/9.7/en/replication-features-fractional-seconds.html
MySQL 9.7 permits fractional seconds for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision.
https://dev.mysql.com/doc/refman/9.7/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/9.7/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/9.7/en/server-system-variables.html
'*,*' Two factors only; the first factor uses caching_sha2_password by default, although another plugin may be used; the second may use any plugin. '*,*,*' Three factors only, where the first factor uses caching_sha2_password by default, although ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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. The default value is 300 seconds, so that Group Replication ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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 ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-options-variables.html
--ndb-schema-dist-timeout=# Command-Line Format --ndb-schema-dist-timeout=# System Variable ndb_schema_dist_timeout Scope Global Dynamic No SET_VAR Hint Applies No Type Integer Default Value 120 Minimum Value 5 Maximum Value 1200 Unit seconds ...