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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-operations.html
Columns to be added online cannot use the BLOB or TEXT type, and must meet the following criteria: The columns must be dynamic; that is, it must be possible to create them using COLUMN_FORMAT DYNAMIC. MySQL NDB Cluster supports online table schema ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-error-reporter.html
ndb_error_reporter creates an archive from data node and management node log files that can be used to help diagnose bugs or other problems with a cluster. It is highly recommended that you make use of this utility when filing reports of bugs in ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-perror.html
--help, -? Command-Line Format --help Display program help text and exit. ndb_perror shows information about an NDB error, given its error code. This includes the error message, the type of error, and whether the error is permanent or temporary.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-print-backup-file.html
--usage Command-Line Format --usage Display help text and exit; same as --help. Usage ndb_print_backup_file [-P password] file_name file_name is the name of a cluster backup file. This can be any of the files (.Data, .ctl, or .log file) found in a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-schema.html
ndb_apply_status Table ndb_binlog_index Table ndb_replication Table Replication in NDB Cluster makes use of a number of dedicated tables in the mysql database on each MySQL Server instance acting as an SQL node in both the cluster being replicated ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-two-channels.html
In a more complete example scenario, we envision two replication channels to provide redundancy and thereby guard against possible failure of a single replication channel. This requires a total of four replication servers, two source servers on the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-command-options.html
--enable-cleartext-plugin Command-Line Format --enable-cleartext-plugin Type Boolean Default Value FALSE Enable the mysql_clear_password cleartext authentication plugin. (See Section 8.4.1.4, “Client-Side Cleartext Pluggable Authentication”.) ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-commands.html
For a list of these commands, type help or \h at the mysql> prompt: mysql> help List of all MySQL commands: Note that all text commands must be first on line and end with ';' ? (\?) Synonym for `help'. mysql sends each SQL statement that you issue ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-secure-installation.html
--protocol={TCP|SOCKET|PIPE|MEMORY} Command-Line Format --protocol=type Type String Default Value [see text] Valid Values TCPSOCKETPIPEMEMORY The transport protocol to use for connecting to the server. This program enables you to improve the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-tips.html
For example, longer text values that include newlines often are much easier to read with vertical output: mysql> SELECT * FROM mails WHERE LENGTH(txt) < 300 LIMIT 300,1\G *************************** 1. This section provides information about ...