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https://dev.mysql.com/doc/refman/8.0/en/audit-log-filtering.html
Constraints on Audit Log Filtering Functions Audit log filtering functions are subject to these constraints: To use any filtering function, the audit_log plugin must be enabled or an error occurs. In addition, the audit tables must exist or an error ... Note For audit log filtering to work as described here, the audit log plugin and the accompanying audit tables and functions must be ...If the plugin is installed without the accompanying audit tables and functions needed ...
https://dev.mysql.com/doc/refman/8.0/en/group-by-handling.html
Disabling ONLY_FULL_GROUP_BY is useful primarily when you know that, due to some property of the data, all values in each nonaggregated column not named in the GROUP BY are the same for each group. The following discussion demonstrates functional ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-event-reports.html
By default, the cluster log is saved to a file named ndb_node_id_cluster.log, (where node_id is the node ID of the management server) in the management server's DataDir. Cluster logging information can also be sent to stdout or a syslog facility in ...Each reportable event can be distinguished according to three different criteria: Category: This can be any one of the following values: STARTUP, SHUTDOWN, STATISTICS, CHECKPOINT, NODERESTART, CONNECTION, ERROR, or ...
https://dev.mysql.com/doc/refman/8.0/en/se-csv-repair.html
When running the CHECK TABLE statement, the CSV file is checked for validity by looking for the correct field separators, escaped fields (matching or missing quotation marks), the correct number of fields compared to the table definition and the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-disable-gtids.html
The file and channel names are strings; both of these must be quoted when used in the STOP REPLICA, CHANGE REPLICATION SOURCE TO, and START REPLICA statements. The file and channel names are strings, and so must be quoted when used in the STOP ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-authentication.html
In this case, the client must try to load the plugin, and if that plugin is not available, an error is not optional. The server then authenticates the client, determining from the account row which authentication plugin applies to the client: If the ... When a client connects to the MySQL server, the server uses the user name provided by the client and the client host to select the appropriate account row from the mysql.user system ...
https://dev.mysql.com/doc/refman/8.0/en/charset-database.html
For LOAD DATA statements that include no CHARACTER SET clause, the server uses the character set indicated by the character_set_database system variable to interpret the information in the file. The CREATE DATABASE and ALTER DATABASE statements have ... Every database has a database character set and a database ...If CHARACTER SET charset_name is specified without ...
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 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-server-side-help.html
The proper operation of this command requires that the help tables in the mysql database be initialized with help topic information (see Section 7.1.17, “Server-Side Help Support”). mysql> SHOW BINARY LOGS; ... mysql> help search_string If you ...For example, HELP rep% returns a list of topics that begin with rep: mysql> HELP rep% Many help items for your request ...
https://dev.mysql.com/doc/refman/8.0/en/null-values.html
The NULL value means “no data.” NULL can be written in any lettercase. For text file import or export operations performed with LOAD DATA or SELECT ... Be aware that the NULL value is different from values such as 0 for numeric types or the ...