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https://dev.mysql.com/doc/refman/8.4/en/information-schema-connection-control-table-reference.html
Table 28.8 INFORMATION_SCHEMA Connection Control Tables Table Name Description CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS Current number of consecutive failed connection attempts per account .
https://dev.mysql.com/doc/refman/8.4/en/innodb-performance-spin_lock_polling.html
The innodb_spin_wait_pause_multiplier variable provides a way to account for differences in PAUSE instruction duration. InnoDB mutexes and rw-locks are typically reserved for short intervals. On a multi-core system, it can be more efficient for a ...
https://dev.mysql.com/doc/refman/8.4/en/json-modification-functions.html
The functions in this section modify JSON values and return the result. JSON_ARRAY_APPEND(json_doc, path, val[, path, val] ...) Appends values to the end of the indicated arrays within a JSON document and returns the result. An error occurs if the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-importing-data.html
It is common when setting up a new instance of NDB Cluster to need to import data from an existing NDB Cluster, instance of MySQL, or other source. This data is most often available in one or more of the following formats: An SQL dump file such as ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-windows-service.html
Installing programs as Windows services usually must be done using an account that has Administrator rights on the system. Once you are satisfied that NDB Cluster is running as desired, you can install the management nodes and data nodes as Windows ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-security.html
This section discusses security considerations to take into account when setting up and running NDB Cluster.
https://dev.mysql.com/doc/refman/8.4/en/mysql-server-side-help.html
mysql> help search_string If you provide an argument to the help command, mysql uses it as a search string to access server-side help from the contents of the MySQL Reference Manual. The proper operation of this command requires that the help ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-tzinfo-to-sql.html
The second syntax causes mysql_tzinfo_to_sql to load a single time zone file tz_file that corresponds to a time zone name tz_name: mysql_tzinfo_to_sql tz_file tz_name | mysql -u root mysql If your time zone needs to account for leap seconds, invoke ... The mysql_tzinfo_to_sql program loads the time zone tables in the mysql ...
https://dev.mysql.com/doc/refman/8.4/en/outer-join-simplification.html
Table expressions in the FROM clause of a query are simplified in many cases. At the parser stage, queries with right outer join operations are converted to equivalent queries containing only left join operations. When the optimizer evaluates plans ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-columns.html
All of these columns are taken into account both for the purpose of placing rows in partitions and for the determination of which partitions are to be checked for matching rows in partition pruning. The next two sections discuss COLUMNS ...