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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-unsupported.html
As with other storage engines, you can create an index on a stored generated column, but you should bear in mind that NDB uses DataMemory for storage of the generated column as well as IndexMemory for the index. NDB Cluster writes changes in stored ... A number of features supported by other storage engines are not supported for NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mgm-client-commands.html
TRUNCATE TABLE does not work for this purpose because this removes only the table data; the data nodes continue to store an NDBCLUSTER table's definition until a DROP TABLE statement is issued that causes the table metadata to be dropped. In other ... In addition to the central configuration file, a cluster may also be controlled through a command-line interface available through the management client ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndb-innodb-engines.html
The NDB storage engine is implemented using a distributed, shared-nothing architecture, which causes it to behave differently from InnoDB in a number of ways. For those unaccustomed to working with NDB, unexpected behaviors can arise due to its ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-dictionary-tables.html
dictionary_tables contains the columns listed here: table_id The table' unique ID database_name Name of the database containing the table table_name Name of the table status The table status; one of New, Changed, Retrieved, Invalid, or Altered.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-options-variables.html
This section provides information about MySQL server options, server and status variables that are specific to NDB Cluster. For general information on using these, and for other options and variables not specific to NDB Cluster, see Section 7.1, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-privilege-synchronization.html
A statement granting the NDB_STORED_USER privilege, such as GRANT NDB_STORED_USER ON *.* TO 'cluster_app_user'@'localhost', works by directing NDB to create a snapshot using the queries SHOW CREATE USER cluster_app_user@localhost and SHOW GRANTS FOR ... NDB 8.0 introduces a new mechanism for sharing and synchronizing users, roles, and privileges between SQL nodes connected to an NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-blob-tool.html
This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB tables containing BLOB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-command-options.html
The output when using the --quick option is 25 characters wide; this is equal to the number of characters needed to represent -9223372036854775808, which is the longest possible value that can be stored in a (signed) BIGINT column, or 19 characters, ... mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-config-editor.html
The mysql_config_editor utility enables you to store authentication credentials in an obfuscated login path file named .mylogin.cnf. In this way, passwords can be stored in a file in non-cleartext format and used later without ever needing to be ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-gr-memory-monitoring-ps-instruments.html
Gtid_set::to_string: Memory allocated to stored the string representation of a GTID set. From MySQL 8.0.30, Performance Schema provides instrumentation for performance monitoring of Group Replication memory usage. The memory/group_rpl/ Performance ...